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320 KiB
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i=this.ackRetransmissionCache.get(e.toTag);return i?void this.send(i.toString()).catch((function(e){t.logTransportError(e,"Failed to send retransmission of ACK to 2xx response.")})):void 0}break;case o.TransactionState.Completed:if(r>=300&&r<=699)return void this.ack(e);break;case o.TransactionState.Terminated:break;default:throw new Error("Invalid state "+this.state)}var n="Received unexpected "+r+" response while in state "+this.state+".";this.logger.warn(n)},t.prototype.onTransportError=function(e){this.user.onTransportError&&this.user.onTransportError(e),this.stateTransition(o.TransactionState.Terminated,!0)},t.prototype.typeToString=function(){return"INVITE client transaction"},t.prototype.ack=function(e){var t=this,r=this.request.ruri,i=this.request.callId,n=this.request.cseq,s=this.request.getHeader("from"),o=e.getHeader("to"),a=this.request.getHeader("via"),c=this.request.getHeader("route");if(!s)throw new Error("From undefined.");if(!o)throw new Error("To undefined.");if(!a)throw new Error("Via undefined.");var u="ACK "+r+" SIP/2.0\r\n";c&&(u+="Route: "+c+"\r\n"),u+="Via: "+a+"\r\n",u+="To: "+o+"\r\n",u+="From: "+s+"\r\n",u+="Call-ID: "+i+"\r\n",u+="CSeq: "+n+" ACK\r\n",u+="Max-Forwards: 70\r\n",u+="Content-Length: 0\r\n\r\n",this.send(u).catch((function(e){t.logTransportError(e,"Failed to send ACK to non-2xx response.")}))},t.prototype.stateTransition=function(e,t){var r=this;void 0===t&&(t=!1);var i=function(){throw new Error("Invalid state transition from "+r.state+" to "+e)};switch(e){case o.TransactionState.Calling:i();break;case o.TransactionState.Proceeding:this.state!==o.TransactionState.Calling&&i();break;case o.TransactionState.Accepted:case o.TransactionState.Completed:this.state!==o.TransactionState.Calling&&this.state!==o.TransactionState.Proceeding&&i();break;case 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"+this.id+"."),this.state===o.TransactionState.Completed&&this.stateTransition(o.TransactionState.Terminated)},t.prototype.timer_M=function(){this.logger.debug("Timer M expired for INVITE client transaction "+this.id+"."),this.state===o.TransactionState.Accepted&&this.stateTransition(o.TransactionState.Terminated)},t}(s.ClientTransaction);t.InviteClientTransaction=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(1),o=function(e){function t(t,r,i){var o,a=t.createOutgoingRequestMessage(n.C.BYE,i);return o=e.call(this,s.NonInviteClientTransaction,t.userAgentCore,a,r)||this,t.dispose(),o}return i.__extends(t,e),t}(r(3).UserAgentClient);t.ByeUserAgentClient=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){return e.call(this,n.NonInviteServerTransaction,t.userAgentCore,r,i)||this}return 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i.__extends(t,e),t}(r(3).UserAgentClient);t.NotifyUserAgentClient=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(1),o=function(e){function t(t,r,i){var o,a=t.createOutgoingRequestMessage(n.C.PRACK,i);return o=e.call(this,s.NonInviteClientTransaction,t.userAgentCore,a,r)||this,t.signalingStateTransition(a),o}return i.__extends(t,e),t}(r(3).UserAgentClient);t.PrackUserAgentClient=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){var s=e.call(this,n.NonInviteServerTransaction,t.userAgentCore,r,i)||this;return t.signalingStateTransition(r),s.dialog=t,s}return i.__extends(t,e),t.prototype.accept=function(t){return void 0===t&&(t={statusCode:200}),t.body&&this.dialog.signalingStateTransition(t.body),e.prototype.accept.call(this,t)},t}(r(4).UserAgentServer);t.PrackUserAgentServer=s},function(e,t,r){"use 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r=e.prototype.accept.call(this,t),n=this.dialog,s=i.__assign(i.__assign({},r),{session:n});return t.body&&this.dialog.signalingStateTransition(t.body),this.dialog.reConfirm(),s},t.prototype.progress=function(t){void 0===t&&(t={statusCode:180});var r=e.prototype.progress.call(this,t),n=this.dialog,s=i.__assign(i.__assign({},r),{session:n});return t.body&&this.dialog.signalingStateTransition(t.body),s},t.prototype.redirect=function(e,t){throw void 0===t&&(t={statusCode:302}),this.dialog.signalingStateRollback(),this.dialog.reinviteUserAgentServer=void 0,new Error("Unimplemented.")},t.prototype.reject=function(t){return void 0===t&&(t={statusCode:488}),this.dialog.signalingStateRollback(),this.dialog.reinviteUserAgentServer=void 0,e.prototype.reject.call(this,t)},t}(r(4).UserAgentServer);t.ReInviteUserAgentServer=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(1),o=function(e){function t(t,r,i){var o=t.createOutgoingRequestMessage(n.C.REFER,i);return e.call(this,s.NonInviteClientTransaction,t.userAgentCore,o,r)||this}return i.__extends(t,e),t}(r(3).UserAgentClient);t.ReferUserAgentClient=o},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){var s=void 0!==t.userAgentCore?t.userAgentCore:t;return e.call(this,n.NonInviteServerTransaction,s,r,i)||this}return i.__extends(t,e),t}(r(4).UserAgentServer);t.ReferUserAgentServer=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(27),o=r(6),a=r(14),c=r(26),u=r(48),d=function(e){function t(t,r,i,n,s,o){var a=e.call(this,n,s)||this;return a.delegate=o,a._autoRefresh=!1,a._subscriptionEvent=t,a._subscriptionExpires=r,a._subscriptionExpiresInitial=r,a._subscriptionExpiresLastSet=Math.floor(Date.now()/1e3),a._subscriptionRefresh=void 0,a._subscriptionRefreshLastSet=void 0,a._subscriptionState=i,a.logger=n.loggerFactory.getLogger("sip.subscribe-dialog"),a.logger.log("SUBSCRIBE dialog "+a.id+" constructed"),a}return i.__extends(t,e),t.initialDialogStateForSubscription=function(e,t){var r=t.getHeaders("record-route"),i=t.parseHeader("contact");if(!i)throw new Error("Contact undefined.");if(!(i instanceof n.NameAddrHeader))throw new Error("Contact not instance of NameAddrHeader.");var s=i.uri,o=e.cseq,a=e.callId,c=e.fromTag,u=t.fromTag;if(!a)throw new Error("Call id undefined.");if(!c)throw new Error("From tag undefined.");if(!u)throw new Error("To tag undefined.");if(!e.from)throw new Error("From undefined.");if(!e.to)throw new Error("To undefined.");return{id:a+c+u,early:!1,callId:a,localTag:c,remoteTag:u,localSequenceNumber:o,remoteSequenceNumber:void 0,localURI:e.from.uri,remoteURI:e.to.uri,remoteTarget:s,routeSet:r,secure:!1}},t.prototype.dispose=function(){e.prototype.dispose.call(this),this.N&&(clearTimeout(this.N),this.N=void 0),this.refreshTimerClear(),this.logger.log("SUBSCRIBE dialog "+this.id+" destroyed")},Object.defineProperty(t.prototype,"autoRefresh",{get:function(){return this._autoRefresh},set:function(e){this._autoRefresh=!0,this.refreshTimerSet()},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"subscriptionEvent",{get:function(){return this._subscriptionEvent},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"subscriptionExpires",{get:function(){var e=Math.floor(Date.now()/1e3)-this._subscriptionExpiresLastSet,t=this._subscriptionExpires-e;return Math.max(t,0)},set:function(e){if(e<0)throw new Error("Expires must be greater than or equal to zero.");if(this._subscriptionExpires=e,this._subscriptionExpiresLastSet=Math.floor(Date.now()/1e3),this.autoRefresh){var t=this.subscriptionRefresh;(void 0===t||t>=e)&&this.refreshTimerSet()}},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"subscriptionExpiresInitial",{get:function(){return this._subscriptionExpiresInitial},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"subscriptionRefresh",{get:function(){if(void 0!==this._subscriptionRefresh&&void 0!==this._subscriptionRefreshLastSet){var e=Math.floor(Date.now()/1e3)-this._subscriptionRefreshLastSet,t=this._subscriptionRefresh-e;return Math.max(t,0)}},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"subscriptionState",{get:function(){return this._subscriptionState},enumerable:!0,configurable:!0}),t.prototype.receiveRequest=function(t){if(this.logger.log("SUBSCRIBE dialog "+this.id+" received "+t.method+" request"),this.sequenceGuard(t))switch(e.prototype.receiveRequest.call(this,t),t.method){case n.C.NOTIFY:this.onNotify(t);break;default:this.logger.log("SUBSCRIBE dialog "+this.id+" received unimplemented "+t.method+" request"),this.core.replyStateless(t,{statusCode:501})}else this.logger.log("SUBSCRIBE dialog "+this.id+" rejected out of order "+t.method+" request.")},t.prototype.refresh=function(){var e="Allow: "+a.AllowedMethods.toString(),t={};return t.extraHeaders=(t.extraHeaders||[]).slice(),t.extraHeaders.push(e),t.extraHeaders.push("Event: "+this.subscriptionEvent),t.extraHeaders.push("Expires: "+this.subscriptionExpiresInitial),t.extraHeaders.push("Contact: "+this.core.configuration.contact.toString()),this.subscribe(void 0,t)},t.prototype.subscribe=function(e,t){var r=this;if(void 0===t&&(t={}),this.subscriptionState!==s.SubscriptionState.Pending&&this.subscriptionState!==s.SubscriptionState.Active)throw new Error("Invalid state "+this.subscriptionState+'. May only re-subscribe while in state "pending" or "active".');this.logger.log("SUBSCRIBE dialog "+this.id+" sending SUBSCRIBE request");var i=new u.ReSubscribeUserAgentClient(this,e,t);return this.N=setTimeout((function(){return r.timer_N()}),o.Timers.TIMER_N),i},t.prototype.terminate=function(){this.stateTransition(s.SubscriptionState.Terminated),this.onTerminated()},t.prototype.unsubscribe=function(){var e="Allow: "+a.AllowedMethods.toString(),t={};return t.extraHeaders=(t.extraHeaders||[]).slice(),t.extraHeaders.push(e),t.extraHeaders.push("Event: "+this.subscriptionEvent),t.extraHeaders.push("Expires: 0"),t.extraHeaders.push("Contact: "+this.core.configuration.contact.toString()),this.subscribe(void 0,t)},t.prototype.onNotify=function(e){var t=e.parseHeader("Event").event;if(t&&t===this.subscriptionEvent){this.N&&(clearTimeout(this.N),this.N=void 0);var r=e.parseHeader("Subscription-State");if(r&&r.state){var i=r.state,n=r.expires?Math.max(r.expires,0):void 0;switch(i){case"pending":this.stateTransition(s.SubscriptionState.Pending,n);break;case"active":this.stateTransition(s.SubscriptionState.Active,n);break;case"terminated":this.stateTransition(s.SubscriptionState.Terminated,n);break;default:this.logger.warn("Unrecognized subscription state.")}var o=new c.NotifyUserAgentServer(this,e);this.delegate&&this.delegate.onNotify?this.delegate.onNotify(o):o.accept()}else this.core.replyStateless(e,{statusCode:489})}else this.core.replyStateless(e,{statusCode:489})},t.prototype.onRefresh=function(e){this.delegate&&this.delegate.onRefresh&&this.delegate.onRefresh(e)},t.prototype.onTerminated=function(){this.delegate&&this.delegate.onTerminated&&this.delegate.onTerminated()},t.prototype.refreshTimerClear=function(){this.refreshTimer&&(clearTimeout(this.refreshTimer),this.refreshTimer=void 0)},t.prototype.refreshTimerSet=function(){var e=this;if(this.refreshTimerClear(),this.autoRefresh&&this.subscriptionExpires>0){var t=900*this.subscriptionExpires;this._subscriptionRefresh=Math.floor(t/1e3),this._subscriptionRefreshLastSet=Math.floor(Date.now()/1e3),this.refreshTimer=setTimeout((function(){e.refreshTimer=void 0,e._subscriptionRefresh=void 0,e._subscriptionRefreshLastSet=void 0,e.onRefresh(e.refresh())}),t)}},t.prototype.stateTransition=function(e,t){var r=this,i=function(){r.logger.warn("Invalid subscription state transition from "+r.subscriptionState+" to "+e)};switch(e){case s.SubscriptionState.Initial:case s.SubscriptionState.NotifyWait:return void i();case s.SubscriptionState.Pending:if(this.subscriptionState!==s.SubscriptionState.NotifyWait&&this.subscriptionState!==s.SubscriptionState.Pending)return void i();break;case s.SubscriptionState.Active:case s.SubscriptionState.Terminated:if(this.subscriptionState!==s.SubscriptionState.NotifyWait&&this.subscriptionState!==s.SubscriptionState.Pending&&this.subscriptionState!==s.SubscriptionState.Active)return void i();break;default:return void i()}e===s.SubscriptionState.Pending&&t&&(this.subscriptionExpires=t),e===s.SubscriptionState.Active&&t&&(this.subscriptionExpires=t),e===s.SubscriptionState.Terminated&&this.dispose(),this._subscriptionState=e},t.prototype.timer_N=function(){this.subscriptionState!==s.SubscriptionState.Terminated&&(this.stateTransition(s.SubscriptionState.Terminated),this.onTerminated())},t}(r(18).Dialog);t.SubscriptionDialog=d},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(1),o=function(e){function t(t,r,i){var o=this,a=t.createOutgoingRequestMessage(n.C.SUBSCRIBE,i);return(o=e.call(this,s.NonInviteClientTransaction,t.userAgentCore,a,r)||this).dialog=t,o}return i.__extends(t,e),t.prototype.waitNotifyStop=function(){},t.prototype.receiveResponse=function(t){if(t.statusCode&&t.statusCode>=200&&t.statusCode<300){var r=t.getHeader("Expires");if(r){var i=Number(r);this.dialog.subscriptionExpires>i&&(this.dialog.subscriptionExpires=i)}else 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i=r(0);i.__exportStar(r(36),t),i.__exportStar(r(37),t),i.__exportStar(r(75),t),i.__exportStar(r(38),t),i.__exportStar(r(39),t),i.__exportStar(r(76),t),i.__exportStar(r(77),t),i.__exportStar(r(78),t),i.__exportStar(r(79),t),i.__exportStar(r(40),t),i.__exportStar(r(26),t),i.__exportStar(r(80),t),i.__exportStar(r(41),t),i.__exportStar(r(42),t),i.__exportStar(r(43),t),i.__exportStar(r(44),t),i.__exportStar(r(48),t),i.__exportStar(r(81),t),i.__exportStar(r(45),t),i.__exportStar(r(46),t),i.__exportStar(r(82),t),i.__exportStar(r(83),t),i.__exportStar(r(84),t),i.__exportStar(r(85),t),i.__exportStar(r(3),t),i.__exportStar(r(4),t)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(11),o=r(5),a=r(8),c=r(9),u=function(e){function t(r,i,n,s){var o=e.call(this)||this;return o.data={},t.initializer(o,r,i,n,s),o}return i.__extends(t,e),t.initializer=function(e,t,r,i,n){if(e.type=a.TypeStrings.ClientContext,void 0===i)throw new TypeError("Not enough arguments");e.ua=t,e.logger=t.getLogger("sip.clientcontext"),e.method=r;var s=t.normalizeTarget(i);if(!s)throw new TypeError("Invalid target: "+i);var u=t.userAgentCore.configuration.aor;if(n&&n.params&&n.params.fromUri&&!(u="string"==typeof n.params.fromUri?o.Grammar.URIParse(n.params.fromUri):n.params.fromUri))throw new TypeError("Invalid from URI: "+n.params.fromUri);var d=s;if(n&&n.params&&n.params.toUri&&!(d="string"==typeof n.params.toUri?o.Grammar.URIParse(n.params.toUri):n.params.toUri))throw new TypeError("Invalid to URI: "+n.params.toUri);var p,l,h=((n=(n=Object.create(n||Object.prototype))||{}).extraHeaders||[]).slice(),g=n.params||{};n.body&&(p={body:n.body,contentType:n.contentType?n.contentType:"application/sdp"},e.body=p),p&&(l=c.Utils.fromBodyObj(p)),e.request=t.userAgentCore.makeOutgoingRequestMessage(r,s,u,d,g,h,l),e.request.from&&(e.localIdentity=e.request.from),e.request.to&&(e.remoteIdentity=e.request.to)},t.prototype.send=function(){var e=this;return this.ua.userAgentCore.request(this.request,{onAccept:function(t){return e.receiveResponse(t.message)},onProgress:function(t){return e.receiveResponse(t.message)},onRedirect:function(t){return e.receiveResponse(t.message)},onReject:function(t){return e.receiveResponse(t.message)},onTrying:function(t){return e.receiveResponse(t.message)}}),this},t.prototype.receiveResponse=function(e){var t=e.statusCode||0,r=c.Utils.getReasonPhrase(t);switch(!0){case/^1[0-9]{2}$/.test(t.toString()):this.emit("progress",e,r);break;case/^2[0-9]{2}$/.test(t.toString()):this.ua.applicants[this.toString()]&&delete this.ua.applicants[this.toString()],this.emit("accepted",e,r);break;default:this.ua.applicants[this.toString()]&&delete this.ua.applicants[this.toString()],this.emit("rejected",e,r),this.emit("failed",e,r)}},t.prototype.onRequestTimeout=function(){this.emit("failed",void 0,s.C.causes.REQUEST_TIMEOUT)},t.prototype.onTransportError=function(){this.emit("failed",void 0,s.C.causes.CONNECTION_ERROR)},t}(n.EventEmitter);t.ClientContext=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(11),o=r(5),a=r(14),c=r(8),u=r(12),d=r(9),p=r(53),l=r(92),h=r(54),g=r(93),f=r(31),m=function(e){function t(t,r){void 0===r&&(r={});var i=e.call(this)||this;return i.type=c.TypeStrings.Session,i.method=s.C.INVITE,i.localHold=!1,i.status=c.SessionStatus.STATUS_NULL,i.isFailed=!1,i.rel100=s.C.supported.UNSUPPORTED,i.expiresTimer=void 0,i.userNoAnswerTimer=void 0,i._state=f.SessionState.Initial,i._stateEventEmitter=new n.EventEmitter,i.pendingReinvite=!1,i.tones=void 0,i.userAgent=t,i.delegate=r.delegate,i.logger=t.getLogger("sip.session"),i}return i.__extends(t,e),t.prototype.close=function(){if(this.logger.log("Session["+this.id+"].close"),this.status!==c.SessionStatus.STATUS_TERMINATED){if(this._sessionDescriptionHandler&&this._sessionDescriptionHandler.close(),this.expiresTimer&&clearTimeout(this.expiresTimer),this.userNoAnswerTimer&&clearTimeout(this.userNoAnswerTimer),this.status=c.SessionStatus.STATUS_TERMINATED,!this.id)throw new Error("Session id undefined.");delete this.userAgent.sessions[this.id]}},t.prototype.on=function(t,r){return e.prototype.on.call(this,t,r)},t.prototype.emit=function(t){for(var r=[],n=1;n<arguments.length;n++)r[n-1]=arguments[n];return e.prototype.emit.apply(this,i.__spreadArrays([t],r))},Object.defineProperty(t.prototype,"sessionDescriptionHandler",{get:function(){return this._sessionDescriptionHandler},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"sessionDescriptionHandlerFactory",{get:function(){return this.userAgent.configuration.sessionDescriptionHandlerFactory},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"state",{get:function(){return this._state},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"stateChange",{get:function(){return p.makeEmitter(this._stateEventEmitter)},enumerable:!0,configurable:!0}),t.prototype.invite=function(e){var t=this;if(void 0===e&&(e={}),this.logger.log("Session.invite"),this.state!==f.SessionState.Established)return Promise.reject(new Error("Invalid session state "+this.state));if(this.pendingReinvite)return Promise.reject(new Error("Reinvite in progress. Please wait until complete, then try again."));if(!this._sessionDescriptionHandler)throw new Error("Session description handler undefined.");this.pendingReinvite=!0;var r={onAccept:function(r){var i=o.getBody(r.message);if(!i)return t.logger.error("Received 2xx response to re-INVITE without a session description"),t.ackAndBye(r,400,"Missing session description"),t.stateTransition(f.SessionState.Terminated),t.isFailed=!0,void(t.pendingReinvite=!1);if(e.withoutSdp){var n={sessionDescriptionHandlerOptions:e.sessionDescriptionHandlerOptions,sessionDescriptionHandlerModifiers:e.sessionDescriptionHandlerModifiers};t.setOfferAndGetAnswer(i,n).then((function(e){r.ack({body:e})})).catch((function(e){t.logger.error("Failed to handle offer in 2xx response to re-INVITE"),t.logger.error(e.message),t.state===f.SessionState.Terminated?r.ack():(t.ackAndBye(r,488,"Bad Media Description"),t.stateTransition(f.SessionState.Terminated),t.isFailed=!0)})).then((function(){t.pendingReinvite=!1,e.requestDelegate&&e.requestDelegate.onAccept&&e.requestDelegate.onAccept(r)}))}else{n={sessionDescriptionHandlerOptions:t.sessionDescriptionHandlerOptions,sessionDescriptionHandlerModifiers:t.sessionDescriptionHandlerModifiers};t.setAnswer(i,n).then((function(){r.ack()})).catch((function(e){t.logger.error("Failed to handle answer in 2xx response to re-INVITE"),t.logger.error(e.message),t.state!==f.SessionState.Terminated?(t.ackAndBye(r,488,"Bad Media Description"),t.stateTransition(f.SessionState.Terminated),t.isFailed=!0):r.ack()})).then((function(){t.pendingReinvite=!1,e.requestDelegate&&e.requestDelegate.onAccept&&e.requestDelegate.onAccept(r)}))}},onProgress:function(e){},onRedirect:function(e){},onReject:function(r){t.logger.warn("Received a non-2xx response to re-INVITE"),t.pendingReinvite=!1,e.withoutSdp?e.requestDelegate&&e.requestDelegate.onReject&&e.requestDelegate.onReject(r):t.rollbackOffer().catch((function(e){if(t.logger.error("Failed to rollback offer on non-2xx response to re-INVITE"),t.logger.error(e.message),t.state!==f.SessionState.Terminated){if(!t.dialog)throw new Error("Dialog undefined.");var r=[];r.push("Reason: "+d.Utils.getReasonHeaderValue(500,"Internal Server Error")),t.dialog.bye(void 0,{extraHeaders:r}),t.stateTransition(f.SessionState.Terminated),t.isFailed=!0}})).then((function(){e.requestDelegate&&e.requestDelegate.onReject&&e.requestDelegate.onReject(r)}))},onTrying:function(e){}},i=e.requestOptions||{};if(i.extraHeaders=(i.extraHeaders||[]).slice(),i.extraHeaders.push("Allow: "+a.AllowedMethods.toString()),i.extraHeaders.push("Contact: "+this.contact),e.withoutSdp)return this.dialog?Promise.resolve(this.dialog.invite(r,i)):(this.pendingReinvite=!1,Promise.reject(new Error("Dialog undefined.")));var n={sessionDescriptionHandlerOptions:e.sessionDescriptionHandlerOptions,sessionDescriptionHandlerModifiers:e.sessionDescriptionHandlerModifiers};return this.getOffer(n).then((function(e){if(!t.dialog)throw t.pendingReinvite=!1,new Error("Dialog undefined.");return i.body=e,t.dialog.invite(r,i)})).catch((function(e){throw t.logger.error(e.message),t.logger.error("Failed to send re-INVITE"),t.pendingReinvite=!1,e}))},t.prototype.bye=function(e,t){var r=this;if(!this.dialog)return Promise.reject(new Error("Session dialog undefined."));var i=this.dialog;switch(i.sessionState){case o.SessionState.Initial:case o.SessionState.Early:throw new Error("Invalid dialog state "+i.sessionState);case o.SessionState.AckWait:return this.stateTransition(f.SessionState.Terminating),new Promise((function(n,s){i.delegate={onAck:function(){var s=i.bye(e,t);r.stateTransition(f.SessionState.Terminated),n(s)},onAckTimeout:function(){var s=i.bye(e,t);r.stateTransition(f.SessionState.Terminated),n(s)}}}));case o.SessionState.Confirmed:var n=i.bye(e,t);return this.stateTransition(f.SessionState.Terminated),Promise.resolve(n);case o.SessionState.Terminated:throw new Error("Invalid dialog state "+i.sessionState);default:throw new Error("Unrecognized state.")}},t.prototype.info=function(e,t){return this.dialog?Promise.resolve(this.dialog.info(e,t)):Promise.reject(new Error("Session dialog undefined."))},t.prototype.refer=function(e,t,r){return this.dialog?(this.referrer=e,Promise.resolve(this.dialog.refer(t,r))):Promise.reject(new Error("Session dialog undefined."))},t.prototype.ackAndBye=function(e,t,r){e.ack();var i=[];t&&i.push("Reason: "+d.Utils.getReasonHeaderValue(t,r)),e.session.bye(void 0,{extraHeaders:i})},t.prototype.onAckRequest=function(e){var t=this;if(this.logger.log("Session.onAckRequest"),this.state===f.SessionState.Initial||this.state===f.SessionState.Establishing||this.state===f.SessionState.Established||this.state===f.SessionState.Terminating){this.state!==f.SessionState.Initial&&this.state!==f.SessionState.Establishing||this.stateTransition(f.SessionState.Established);var r=this.dialog;if(!r)throw new Error("Dialog undefined.");switch(r.signalingState){case o.SignalingState.Initial:this.logger.error("Invalid signaling state "+r.signalingState+"."),this.isFailed=!0;var i=["Reason: "+d.Utils.getReasonHeaderValue(488,"Bad Media Description")];return r.bye(void 0,{extraHeaders:i}),void this.stateTransition(f.SessionState.Terminated);case o.SignalingState.Stable:var n=o.getBody(e.message);if(!n)return void(this.status=c.SessionStatus.STATUS_CONFIRMED);if("render"===n.contentDisposition)return this.renderbody=n.content,this.rendertype=n.contentType,void(this.status=c.SessionStatus.STATUS_CONFIRMED);if("session"!==n.contentDisposition)return void(this.status=c.SessionStatus.STATUS_CONFIRMED);var s={sessionDescriptionHandlerOptions:this.sessionDescriptionHandlerOptions,sessionDescriptionHandlerModifiers:this.sessionDescriptionHandlerModifiers};return void this.setAnswer(n,s).then((function(){t.status=c.SessionStatus.STATUS_CONFIRMED})).catch((function(e){t.logger.error(e.message),t.isFailed=!0;var i=["Reason: "+d.Utils.getReasonHeaderValue(488,"Bad Media Description")];r.bye(void 0,{extraHeaders:i}),t.stateTransition(f.SessionState.Terminated)}));case o.SignalingState.HaveLocalOffer:case o.SignalingState.HaveRemoteOffer:this.logger.error("Invalid signaling state "+r.signalingState+"."),this.isFailed=!0;i=["Reason: "+d.Utils.getReasonHeaderValue(488,"Bad Media Description")];return r.bye(void 0,{extraHeaders:i}),void this.stateTransition(f.SessionState.Terminated);case o.SignalingState.Closed:default:throw new Error("Invalid signaling state "+r.signalingState+".")}}else this.logger.error("ACK received while in state "+this.state+", dropping request")},t.prototype.onByeRequest=function(e){this.logger.log("Session.onByeRequest"),this.state===f.SessionState.Established?(e.accept(),this.stateTransition(f.SessionState.Terminated)):this.logger.error("BYE received while in state "+this.state+", dropping request")},t.prototype.onInfoRequest=function(e){if(this.logger.log("Session.onInfoRequest"),this.state===f.SessionState.Established)if(this.delegate&&this.delegate.onInfo){var t=new l.Info(e);this.delegate.onInfo(t)}else e.accept();else this.logger.error("INFO received while in state "+this.state+", dropping request")},t.prototype.onInviteRequest=function(e){var t=this;if(this.logger.log("Session.onInviteRequest"),this.state===f.SessionState.Established){var r=["Contact: "+this.contact];if(e.message.hasHeader("P-Asserted-Identity")){var i=e.message.getHeader("P-Asserted-Identity");if(!i)throw new Error("Header undefined.");this.assertedIdentity=o.Grammar.nameAddrHeaderParse(i)}var n={sessionDescriptionHandlerOptions:this.sessionDescriptionHandlerOptions,sessionDescriptionHandlerModifiers:this.sessionDescriptionHandlerModifiers};this.generateResponseOfferAnswerInDialog(n).then((function(i){var n=e.accept({statusCode:200,extraHeaders:r,body:i});t.delegate&&t.delegate.onInvite&&t.delegate.onInvite(e.message,n.message,200)})).catch((function(i){if(t.logger.error(i.message),t.logger.error("Failed to handle to re-INVITE request"),!t.dialog)throw new Error("Dialog undefined.");if(t.logger.error(t.dialog.signalingState),t.dialog.signalingState!==o.SignalingState.Stable)t.rollbackOffer().then((function(){var r=e.reject({statusCode:488});t.delegate&&t.delegate.onInvite&&t.delegate.onInvite(e.message,r.message,488)})).catch((function(i){t.logger.error(i.message),t.logger.error("Failed to rollback offer on re-INVITE request");var n=e.reject({statusCode:488});if(t.state!==f.SessionState.Terminated){if(!t.dialog)throw new Error("Dialog undefined.");[].push("Reason: "+d.Utils.getReasonHeaderValue(500,"Internal Server Error")),t.dialog.bye(void 0,{extraHeaders:r}),t.stateTransition(f.SessionState.Terminated),t.isFailed=!0}t.delegate&&t.delegate.onInvite&&t.delegate.onInvite(e.message,n.message,488)}));else{var n=e.reject({statusCode:488});t.delegate&&t.delegate.onInvite&&t.delegate.onInvite(e.message,n.message,488)}}))}else this.logger.error("INVITE received while in state "+this.state+", dropping request")},t.prototype.onNotifyRequest=function(e){if(this.logger.log("Session.onNotifyRequest"),this.state===f.SessionState.Established)if(this.referrer&&this.referrer.delegate&&this.referrer.delegate.onNotify){var t=new h.Notification(e);this.referrer.delegate.onNotify(t)}else if(this.delegate&&this.delegate.onNotify){t=new h.Notification(e);this.delegate.onNotify(t)}else e.accept();else this.logger.error("NOTIFY received while in state "+this.state+", dropping request")},t.prototype.onPrackRequest=function(e){if(this.logger.log("Session.onPrackRequest"),this.state===f.SessionState.Established)throw new Error("Unimplemented.");this.logger.error("PRACK received while in state "+this.state+", dropping request")},t.prototype.onReferRequest=function(e){var t=this;if(this.logger.log("Session.onReferRequest"),this.state===f.SessionState.Established){if(this.status===c.SessionStatus.STATUS_CONFIRMED){if(!e.message.hasHeader("refer-to"))return this.logger.warn("Invalid REFER packet. A refer-to header is required. Rejecting."),void e.reject();var r=new g.Referral(e,this);this.delegate&&this.delegate.onRefer?this.delegate.onRefer(r):(this.logger.log("No delegate available to handle REFER, automatically accepting and following."),r.accept().then((function(){return r.makeInviter(t.passedOptions).invite()})).catch((function(e){t.logger.error(e.message)})))}}else this.logger.error("REFER received while in state "+this.state+", dropping request")},t.prototype.generateResponseOfferAnswer=function(e,t){if(this.dialog)return this.generateResponseOfferAnswerInDialog(t);var r=o.getBody(e.message);return r&&"session"===r.contentDisposition?this.setOfferAndGetAnswer(r,t):this.getOffer(t)},t.prototype.generateResponseOfferAnswerInDialog=function(e){if(!this.dialog)throw new Error("Dialog undefined.");switch(this.dialog.signalingState){case o.SignalingState.Initial:return this.getOffer(e);case o.SignalingState.HaveLocalOffer:return Promise.resolve(void 0);case o.SignalingState.HaveRemoteOffer:if(!this.dialog.offer)throw new Error("Session offer undefined in signaling state "+this.dialog.signalingState+".");return this.setOfferAndGetAnswer(this.dialog.offer,e);case o.SignalingState.Stable:return this.state!==f.SessionState.Established?Promise.resolve(void 0):this.getOffer(e);case o.SignalingState.Closed:default:throw new Error("Invalid signaling state "+this.dialog.signalingState+".")}},t.prototype.getOffer=function(e){var t=this,r=this.setupSessionDescriptionHandler(),i=e.sessionDescriptionHandlerOptions,n=e.sessionDescriptionHandlerModifiers;try{return r.getDescription(i,n).then((function(e){return d.Utils.fromBodyObj(e)})).catch((function(e){t.logger.error("Session.getOffer: SDH getDescription rejected...");var r=e instanceof Error?e:new Error(e);throw t.logger.error(r.message),r}))}catch(e){this.logger.error("Session.getOffer: SDH getDescription threw...");var s=e instanceof Error?e:new Error(e);return this.logger.error(s.message),Promise.reject(s)}},t.prototype.rollbackOffer=function(){var e=this,t=this.setupSessionDescriptionHandler();if(!t.rollbackDescription)return Promise.resolve();try{return t.rollbackDescription().catch((function(t){e.logger.error("Session.rollbackOffer: SDH rollbackDescription rejected...");var r=t instanceof Error?t:new Error(t);throw e.logger.error(r.message),r}))}catch(e){this.logger.error("Session.rollbackOffer: SDH rollbackDescription threw...");var r=e instanceof Error?e:new Error(e);return this.logger.error(r.message),Promise.reject(r)}},t.prototype.setAnswer=function(e,t){var r=this,i=this.setupSessionDescriptionHandler(),n=t.sessionDescriptionHandlerOptions,s=t.sessionDescriptionHandlerModifiers;try{if(!i.hasDescription(e.contentType))return Promise.reject(new u.Exceptions.UnsupportedSessionDescriptionContentTypeError)}catch(e){this.logger.error("Session.setAnswer: SDH hasDescription threw...");var o=e instanceof Error?e:new Error(e);return this.logger.error(o.message),Promise.reject(o)}try{return i.setDescription(e.content,n,s).catch((function(e){r.logger.error("Session.setAnswer: SDH setDescription rejected...");var t=e instanceof Error?e:new Error(e);throw r.logger.error(t.message),t}))}catch(e){this.logger.error("Session.setAnswer: SDH setDescription threw...");o=e instanceof Error?e:new Error(e);return this.logger.error(o.message),Promise.reject(o)}},t.prototype.setOfferAndGetAnswer=function(e,t){var r=this,i=this.setupSessionDescriptionHandler(),n=t.sessionDescriptionHandlerOptions,s=t.sessionDescriptionHandlerModifiers;try{if(!i.hasDescription(e.contentType))return Promise.reject(new u.Exceptions.UnsupportedSessionDescriptionContentTypeError)}catch(e){this.logger.error("Session.setOfferAndGetAnswer: SDH hasDescription threw...");var o=e instanceof Error?e:new Error(e);return this.logger.error(o.message),Promise.reject(o)}try{return i.setDescription(e.content,n,s).then((function(){return i.getDescription(n,s)})).then((function(e){return d.Utils.fromBodyObj(e)})).catch((function(e){r.logger.error("Session.setOfferAndGetAnswer: SDH setDescription or getDescription rejected...");var t=e instanceof Error?e:new Error(e);throw r.logger.error(t.message),t}))}catch(e){this.logger.error("Session.setOfferAndGetAnswer: SDH setDescription or getDescription threw...");o=e instanceof Error?e:new Error(e);return this.logger.error(o.message),Promise.reject(o)}},t.prototype.setSessionDescriptionHandler=function(e){if(this._sessionDescriptionHandler)throw new Error("Sessionn description handler defined.");this._sessionDescriptionHandler=e},t.prototype.setupSessionDescriptionHandler=function(){return this._sessionDescriptionHandler?this._sessionDescriptionHandler:(this._sessionDescriptionHandler=this.sessionDescriptionHandlerFactory(this,this.userAgent.configuration.sessionDescriptionHandlerFactoryOptions),this.emit("SessionDescriptionHandler-created",this._sessionDescriptionHandler),this._sessionDescriptionHandler)},t.prototype.stateTransition=function(e){var t=this,r=function(){throw new Error("Invalid state transition from "+t._state+" to "+e)};switch(this._state){case f.SessionState.Initial:e!==f.SessionState.Establishing&&e!==f.SessionState.Established&&e!==f.SessionState.Terminating&&e!==f.SessionState.Terminated&&r();break;case f.SessionState.Establishing:e!==f.SessionState.Established&&e!==f.SessionState.Terminating&&e!==f.SessionState.Terminated&&r();break;case f.SessionState.Established:e!==f.SessionState.Terminating&&e!==f.SessionState.Terminated&&r();break;case f.SessionState.Terminating:e!==f.SessionState.Terminated&&r();break;case f.SessionState.Terminated:r();break;default:throw new Error("Unrecognized state.")}e===f.SessionState.Established&&(this.startTime=new Date),e===f.SessionState.Terminated&&(this.endTime=new Date,this.close()),this._state=e,this.logger.log("Session "+this.id+" transitioned to state "+this._state),this._stateEventEmitter.emit("event",this._state)},t.C=c.SessionStatus,t}(n.EventEmitter);t.Session=m},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.makeEmitter=function(e,t){return void 0===t&&(t="event"),{on:function(r){e.on(t,r)},off:function(r){e.removeListener(t,r)},once:function(r){e.once(t,r)}}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(e){this.incomingNotifyRequest=e}return Object.defineProperty(e.prototype,"request",{get:function(){return this.incomingNotifyRequest.message},enumerable:!0,configurable:!0}),e.prototype.accept=function(e){return this.incomingNotifyRequest.accept(e),Promise.resolve()},e.prototype.reject=function(e){return this.incomingNotifyRequest.reject(e),Promise.resolve()},e}();t.Notification=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),r(0).__exportStar(r(56),t)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),function(e){e.ACK="ACK",e.BYE="BYE",e.CANCEL="CANCEL",e.INFO="INFO",e.INVITE="INVITE",e.MESSAGE="MESSAGE",e.NOTIFY="NOTIFY",e.OPTIONS="OPTIONS",e.REGISTER="REGISTER",e.UPDATE="UPDATE",e.SUBSCRIBE="SUBSCRIBE",e.PUBLISH="PUBLISH",e.REFER="REFER",e.PRACK="PRACK"}(t.C||(t.C={}))},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(32),n=r(33),s=r(34);function o(e){return!(!e||"string"!=typeof e.content||"string"!=typeof e.contentType||void 0!==e.contentDisposition)||"string"==typeof e.contentDisposition}function a(e){return"application/sdp"===e?"session":"render"}t.fromBodyLegacy=function(e){var 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e(e,t,r){this.logger=e.getLogger("sipjs.digestauthentication"),this.username=t,this.password=r,this.nc=0,this.ncHex="00000000"}return e.prototype.authenticate=function(e,t,r){if(this.algorithm=t.algorithm,this.realm=t.realm,this.nonce=t.nonce,this.opaque=t.opaque,this.stale=t.stale,this.algorithm){if("MD5"!==this.algorithm)return this.logger.warn("challenge with Digest algorithm different than 'MD5', authentication aborted"),!1}else this.algorithm="MD5";if(!this.realm)return this.logger.warn("challenge without Digest realm, authentication aborted"),!1;if(!this.nonce)return this.logger.warn("challenge without Digest nonce, authentication aborted"),!1;if(t.qop)if(t.qop.indexOf("auth")>-1)this.qop="auth";else{if(!(t.qop.indexOf("auth-int")>-1))return this.logger.warn("challenge without Digest qop different than 'auth' or 'auth-int', authentication aborted"),!1;this.qop="auth-int"}else this.qop=void 0;return this.method=e.method,this.uri=e.ruri,this.cnonce=n.createRandomToken(12),this.nc+=1,this.updateNcHex(),4294967296===this.nc&&(this.nc=1,this.ncHex="00000001"),this.calculateResponse(r),!0},e.prototype.toString=function(){var e=[];if(!this.response)throw new Error("response field does not exist, cannot generate Authorization header");return e.push("algorithm="+this.algorithm),e.push('username="'+this.username+'"'),e.push('realm="'+this.realm+'"'),e.push('nonce="'+this.nonce+'"'),e.push('uri="'+this.uri+'"'),e.push('response="'+this.response+'"'),this.opaque&&e.push('opaque="'+this.opaque+'"'),this.qop&&(e.push("qop="+this.qop),e.push('cnonce="'+this.cnonce+'"'),e.push("nc="+this.ncHex)),"Digest "+e.join(", ")},e.prototype.updateNcHex=function(){var e=Number(this.nc).toString(16);this.ncHex="00000000".substr(0,8-e.length)+e},e.prototype.calculateResponse=function(e){var t,r=i.default(this.username+":"+this.realm+":"+this.password);"auth"===this.qop?(t=i.default(this.method+":"+this.uri),this.response=i.default(r+":"+this.nonce+":"+this.ncHex+":"+this.cnonce+":auth:"+t)):"auth-int"===this.qop?(t=i.default(this.method+":"+this.uri+":"+i.default(e||"")),this.response=i.default(r+":"+this.nonce+":"+this.ncHex+":"+this.cnonce+":auth-int:"+t)):void 0===this.qop&&(t=i.default(this.method+":"+this.uri),this.response=i.default(r+":"+this.nonce+":"+t))},e}();t.DigestAuthentication=s},function(e,t,r){var i;e.exports=(i=r(61),function(e){var t=i,r=t.lib,n=r.WordArray,s=r.Hasher,o=t.algo,a=[];!function(){for(var t=0;t<64;t++)a[t]=4294967296*e.abs(e.sin(t+1))|0}();var c=o.MD5=s.extend({_doReset:function(){this._hash=new n.init([1732584193,4023233417,2562383102,271733878])},_doProcessBlock:function(e,t){for(var r=0;r<16;r++){var i=t+r,n=e[i];e[i]=16711935&(n<<8|n>>>24)|4278255360&(n<<24|n>>>8)}var s=this._hash.words,o=e[t+0],c=e[t+1],h=e[t+2],g=e[t+3],f=e[t+4],m=e[t+5],v=e[t+6],S=e[t+7],T=e[t+8],y=e[t+9],E=e[t+10],b=e[t+11],C=e[t+12],R=e[t+13],_=e[t+14],w=e[t+15],A=s[0],I=s[1],O=s[2],x=s[3];A=u(A,I,O,x,o,7,a[0]),x=u(x,A,I,O,c,12,a[1]),O=u(O,x,A,I,h,17,a[2]),I=u(I,O,x,A,g,22,a[3]),A=u(A,I,O,x,f,7,a[4]),x=u(x,A,I,O,m,12,a[5]),O=u(O,x,A,I,v,17,a[6]),I=u(I,O,x,A,S,22,a[7]),A=u(A,I,O,x,T,7,a[8]),x=u(x,A,I,O,y,12,a[9]),O=u(O,x,A,I,E,17,a[10]),I=u(I,O,x,A,b,22,a[11]),A=u(A,I,O,x,C,7,a[12]),x=u(x,A,I,O,R,12,a[13]),O=u(O,x,A,I,_,17,a[14]),A=d(A,I=u(I,O,x,A,w,22,a[15]),O,x,c,5,a[16]),x=d(x,A,I,O,v,9,a[17]),O=d(O,x,A,I,b,14,a[18]),I=d(I,O,x,A,o,20,a[19]),A=d(A,I,O,x,m,5,a[20]),x=d(x,A,I,O,E,9,a[21]),O=d(O,x,A,I,w,14,a[22]),I=d(I,O,x,A,f,20,a[23]),A=d(A,I,O,x,y,5,a[24]),x=d(x,A,I,O,_,9,a[25]),O=d(O,x,A,I,g,14,a[26]),I=d(I,O,x,A,T,20,a[27]),A=d(A,I,O,x,R,5,a[28]),x=d(x,A,I,O,h,9,a[29]),O=d(O,x,A,I,S,14,a[30]),A=p(A,I=d(I,O,x,A,C,20,a[31]),O,x,m,4,a[32]),x=p(x,A,I,O,T,11,a[33]),O=p(O,x,A,I,b,16,a[34]),I=p(I,O,x,A,_,23,a[35]),A=p(A,I,O,x,c,4,a[36]),x=p(x,A,I,O,f,11,a[37]),O=p(O,x,A,I,S,16,a[38]),I=p(I,O,x,A,E,23,a[39]),A=p(A,I,O,x,R,4,a[40]),x=p(x,A,I,O,o,11,a[41]),O=p(O,x,A,I,g,16,a[42]),I=p(I,O,x,A,v,23,a[43]),A=p(A,I,O,x,y,4,a[44]),x=p(x,A,I,O,C,11,a[45]),O=p(O,x,A,I,w,16,a[46]),A=l(A,I=p(I,O,x,A,h,23,a[47]),O,x,o,6,a[48]),x=l(x,A,I,O,S,10,a[49]),O=l(O,x,A,I,_,15,a[50]),I=l(I,O,x,A,m,21,a[51]),A=l(A,I,O,x,C,6,a[52]),x=l(x,A,I,O,g,10,a[53]),O=l(O,x,A,I,E,15,a[54]),I=l(I,O,x,A,c,21,a[55]),A=l(A,I,O,x,T,6,a[56]),x=l(x,A,I,O,w,10,a[57]),O=l(O,x,A,I,v,15,a[58]),I=l(I,O,x,A,R,21,a[59]),A=l(A,I,O,x,f,6,a[60]),x=l(x,A,I,O,b,10,a[61]),O=l(O,x,A,I,h,15,a[62]),I=l(I,O,x,A,y,21,a[63]),s[0]=s[0]+A|0,s[1]=s[1]+I|0,s[2]=s[2]+O|0,s[3]=s[3]+x|0},_doFinalize:function(){var t=this._data,r=t.words,i=8*this._nDataBytes,n=8*t.sigBytes;r[n>>>5]|=128<<24-n%32;var s=e.floor(i/4294967296),o=i;r[15+(n+64>>>9<<4)]=16711935&(s<<8|s>>>24)|4278255360&(s<<24|s>>>8),r[14+(n+64>>>9<<4)]=16711935&(o<<8|o>>>24)|4278255360&(o<<24|o>>>8),t.sigBytes=4*(r.length+1),this._process();for(var a=this._hash,c=a.words,u=0;u<4;u++){var d=c[u];c[u]=16711935&(d<<8|d>>>24)|4278255360&(d<<24|d>>>8)}return a},clone:function(){var e=s.clone.call(this);return e._hash=this._hash.clone(),e}});function u(e,t,r,i,n,s,o){var a=e+(t&r|~t&i)+n+o;return(a<<s|a>>>32-s)+t}function d(e,t,r,i,n,s,o){var a=e+(t&i|r&~i)+n+o;return(a<<s|a>>>32-s)+t}function p(e,t,r,i,n,s,o){var a=e+(t^r^i)+n+o;return(a<<s|a>>>32-s)+t}function l(e,t,r,i,n,s,o){var a=e+(r^(t|~i))+n+o;return(a<<s|a>>>32-s)+t}t.MD5=s._createHelper(c),t.HmacMD5=s._createHmacHelper(c)}(Math),i.MD5)},function(e,t,r){var i;e.exports=(i=i||function(e,t){var r=Object.create||function(){function e(){}return function(t){var r;return e.prototype=t,r=new e,e.prototype=null,r}}(),i={},n=i.lib={},s=n.Base={extend:function(e){var t=r(this);return e&&t.mixIn(e),t.hasOwnProperty("init")&&this.init!==t.init||(t.init=function(){t.$super.init.apply(this,arguments)}),t.init.prototype=t,t.$super=this,t},create:function(){var e=this.extend();return e.init.apply(e,arguments),e},init:function(){},mixIn:function(e){for(var t in e)e.hasOwnProperty(t)&&(this[t]=e[t]);e.hasOwnProperty("toString")&&(this.toString=e.toString)},clone:function(){return this.init.prototype.extend(this)}},o=n.WordArray=s.extend({init:function(e,t){e=this.words=e||[],this.sigBytes=null!=t?t:4*e.length},toString:function(e){return(e||c).stringify(this)},concat:function(e){var t=this.words,r=e.words,i=this.sigBytes,n=e.sigBytes;if(this.clamp(),i%4)for(var s=0;s<n;s++){var o=r[s>>>2]>>>24-s%4*8&255;t[i+s>>>2]|=o<<24-(i+s)%4*8}else for(s=0;s<n;s+=4)t[i+s>>>2]=r[s>>>2];return this.sigBytes+=n,this},clamp:function(){var t=this.words,r=this.sigBytes;t[r>>>2]&=4294967295<<32-r%4*8,t.length=e.ceil(r/4)},clone:function(){var e=s.clone.call(this);return e.words=this.words.slice(0),e},random:function(t){for(var r,i=[],n=function(t){t=t;var r=987654321,i=4294967295;return function(){var n=((r=36969*(65535&r)+(r>>16)&i)<<16)+(t=18e3*(65535&t)+(t>>16)&i)&i;return n/=4294967296,(n+=.5)*(e.random()>.5?1:-1)}},s=0;s<t;s+=4){var a=n(4294967296*(r||e.random()));r=987654071*a(),i.push(4294967296*a()|0)}return new o.init(i,t)}}),a=i.enc={},c=a.Hex={stringify:function(e){for(var t=e.words,r=e.sigBytes,i=[],n=0;n<r;n++){var s=t[n>>>2]>>>24-n%4*8&255;i.push((s>>>4).toString(16)),i.push((15&s).toString(16))}return i.join("")},parse:function(e){for(var t=e.length,r=[],i=0;i<t;i+=2)r[i>>>3]|=parseInt(e.substr(i,2),16)<<24-i%8*4;return new o.init(r,t/2)}},u=a.Latin1={stringify:function(e){for(var t=e.words,r=e.sigBytes,i=[],n=0;n<r;n++){var s=t[n>>>2]>>>24-n%4*8&255;i.push(String.fromCharCode(s))}return i.join("")},parse:function(e){for(var t=e.length,r=[],i=0;i<t;i++)r[i>>>2]|=(255&e.charCodeAt(i))<<24-i%4*8;return new o.init(r,t)}},d=a.Utf8={stringify:function(e){try{return decodeURIComponent(escape(u.stringify(e)))}catch(e){throw new Error("Malformed UTF-8 data")}},parse:function(e){return u.parse(unescape(encodeURIComponent(e)))}},p=n.BufferedBlockAlgorithm=s.extend({reset:function(){this._data=new o.init,this._nDataBytes=0},_append:function(e){"string"==typeof e&&(e=d.parse(e)),this._data.concat(e),this._nDataBytes+=e.sigBytes},_process:function(t){var r=this._data,i=r.words,n=r.sigBytes,s=this.blockSize,a=n/(4*s),c=(a=t?e.ceil(a):e.max((0|a)-this._minBufferSize,0))*s,u=e.min(4*c,n);if(c){for(var d=0;d<c;d+=s)this._doProcessBlock(i,d);var p=i.splice(0,c);r.sigBytes-=u}return new o.init(p,u)},clone:function(){var e=s.clone.call(this);return e._data=this._data.clone(),e},_minBufferSize:0}),l=(n.Hasher=p.extend({cfg:s.extend(),init:function(e){this.cfg=this.cfg.extend(e),this.reset()},reset:function(){p.reset.call(this),this._doReset()},update:function(e){return this._append(e),this._process(),this},finalize:function(e){return e&&this._append(e),this._doFinalize()},blockSize:16,_createHelper:function(e){return function(t,r){return new e.init(r).finalize(t)}},_createHmacHelper:function(e){return function(t,r){return new l.HMAC.init(e,r).finalize(t)}}}),i.algo={});return i}(Math),i)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(10);t.constructOutgoingResponse=function(e,t){var r="\r\n";if(t.statusCode<100||t.statusCode>699)throw new TypeError("Invalid statusCode: "+t.statusCode);var n=t.reasonPhrase?t.reasonPhrase:i.getReasonPhrase(t.statusCode),s="SIP/2.0 "+t.statusCode+" "+n+r;t.statusCode>=100&&t.statusCode,t.statusCode;var o="From: "+e.getHeader("From")+r,a="Call-ID: "+e.callId+r,c="CSeq: "+e.cseq+" "+e.method+r,u=e.getHeaders("via").reduce((function(e,t){return e+"Via: "+t+r}),""),d="To: "+e.getHeader("to");if(t.statusCode>100&&!e.parseHeader("to").hasParam("tag")){var p=t.toTag;p||(p=i.newTag()),d+=";tag="+p}d+=r;var l="";t.supported&&(l="Supported: "+t.supported.join(", ")+r);var h="";t.userAgent&&(h="User-Agent: "+t.userAgent+r);var g="";return t.extraHeaders&&(g=t.extraHeaders.reduce((function(e,t){return e+t.trim()+r}),"")),s+=u,s+=o,s+=d,s+=c,s+=a,s+=l,s+=h,s+=g,t.body?(s+="Content-Type: "+t.body.contentType+r,s+="Content-Length: "+i.str_utf8_length(t.body.content)+r+r,s+=t.body.content):s+="Content-Length: 0\r\n\r\n",{message:s}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(15),o=r(6),a=r(1),c=r(36),u=r(37),d=r(38),p=r(39),l=r(40),h=r(26),g=r(41),f=r(42),m=r(43),v=r(44),S=r(45),T=r(46),y=function(e){function t(t,r,i,n){var o=e.call(this,r,i)||this;return o.initialTransaction=t,o._signalingState=s.SignalingState.Initial,o.ackWait=!1,o.delegate=n,t instanceof a.InviteServerTransaction&&(o.ackWait=!0),o.early||o.start2xxRetransmissionTimer(),o.signalingStateTransition(t.request),o.logger=r.loggerFactory.getLogger("sip.invite-dialog"),o.logger.log("INVITE dialog "+o.id+" constructed"),o}return i.__extends(t,e),t.prototype.dispose=function(){e.prototype.dispose.call(this),this._signalingState=s.SignalingState.Closed,this._offer=void 0,this._answer=void 0,this.invite2xxTimer&&(clearTimeout(this.invite2xxTimer),this.invite2xxTimer=void 0),this.logger.log("INVITE dialog "+this.id+" destroyed")},Object.defineProperty(t.prototype,"sessionState",{get:function(){return this.early?s.SessionState.Early:this.ackWait?s.SessionState.AckWait:this._signalingState===s.SignalingState.Closed?s.SessionState.Terminated:s.SessionState.Confirmed},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"signalingState",{get:function(){return this._signalingState},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"offer",{get:function(){return this._offer},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"answer",{get:function(){return this._answer},enumerable:!0,configurable:!0}),t.prototype.confirm=function(){this.early&&this.start2xxRetransmissionTimer(),e.prototype.confirm.call(this)},t.prototype.reConfirm=function(){this.reinviteUserAgentServer&&this.startReInvite2xxRetransmissionTimer()},t.prototype.ack=function(e){var t;if(void 0===e&&(e={}),this.logger.log("INVITE dialog "+this.id+" sending ACK request"),this.reinviteUserAgentClient){if(!(this.reinviteUserAgentClient.transaction instanceof a.InviteClientTransaction))throw new Error("Transaction not instance of InviteClientTransaction.");t=this.reinviteUserAgentClient.transaction,this.reinviteUserAgentClient=void 0}else{if(!(this.initialTransaction instanceof a.InviteClientTransaction))throw new Error("Initial transaction not instance of InviteClientTransaction.");t=this.initialTransaction}e.cseq=t.request.cseq;var r=this.createOutgoingRequestMessage(n.C.ACK,e);return t.ackResponse(r),this.signalingStateTransition(r),{message:r}},t.prototype.bye=function(e,t){if(this.logger.log("INVITE dialog "+this.id+" sending BYE request"),this.initialTransaction instanceof a.InviteServerTransaction){if(this.early)throw new Error("UAS MUST NOT send a BYE on early dialogs.");if(this.ackWait&&this.initialTransaction.state!==a.TransactionState.Terminated)throw new Error("UAS MUST NOT send a BYE on a confirmed dialog until it has received an ACK for its 2xx response or until the server transaction times out.")}return new c.ByeUserAgentClient(this,e,t)},t.prototype.info=function(e,t){if(this.logger.log("INVITE dialog "+this.id+" sending INFO request"),this.early)throw new Error("Dialog not confirmed.");return new d.InfoUserAgentClient(this,e,t)},t.prototype.invite=function(e,t){if(this.logger.log("INVITE dialog "+this.id+" sending INVITE request"),this.early)throw new Error("Dialog not confirmed.");if(this.reinviteUserAgentClient)throw new Error("There is an ongoing re-INVITE client transaction.");if(this.reinviteUserAgentServer)throw new Error("There is an ongoing re-INVITE server transaction.");return new m.ReInviteUserAgentClient(this,e,t)},t.prototype.notify=function(e,t){if(this.logger.log("INVITE dialog "+this.id+" sending NOTIFY request"),this.early)throw new Error("Dialog not confirmed.");return new l.NotifyUserAgentClient(this,e,t)},t.prototype.prack=function(e,t){return this.logger.log("INVITE dialog "+this.id+" sending PRACK request"),new g.PrackUserAgentClient(this,e,t)},t.prototype.refer=function(e,t){if(this.logger.log("INVITE dialog "+this.id+" sending REFER request"),this.early)throw new Error("Dialog not confirmed.");return new S.ReferUserAgentClient(this,e,t)},t.prototype.receiveRequest=function(t){if(this.logger.log("INVITE dialog "+this.id+" received "+t.method+" request"),t.method===n.C.ACK){if(this.ackWait){if(this.initialTransaction instanceof a.InviteClientTransaction)return void this.logger.warn("INVITE dialog "+this.id+" received unexpected "+t.method+" request, dropping.");if(this.initialTransaction.request.cseq!==t.cseq)return void this.logger.warn("INVITE dialog "+this.id+" received unexpected "+t.method+" request, dropping.");this.ackWait=!1}else{if(!this.reinviteUserAgentServer)return void this.logger.warn("INVITE dialog "+this.id+" received unexpected "+t.method+" request, dropping.");if(this.reinviteUserAgentServer.transaction.request.cseq!==t.cseq)return void this.logger.warn("INVITE dialog "+this.id+" received unexpected "+t.method+" request, dropping.");this.reinviteUserAgentServer=void 0}return this.signalingStateTransition(t),void(this.delegate&&this.delegate.onAck&&this.delegate.onAck({message:t}))}if(this.sequenceGuard(t)){if(t.method===n.C.INVITE){if(this.reinviteUserAgentServer){var r=["Retry-After: "+(Math.floor(10*Math.random())+1)];return void this.core.replyStateless(t,{statusCode:500,extraHeaders:r})}if(this.reinviteUserAgentClient)return void this.core.replyStateless(t,{statusCode:491})}if(e.prototype.receiveRequest.call(this,t),t.method===n.C.INVITE){var i=t.parseHeader("contact");if(!i)throw new Error("Contact undefined.");if(!(i instanceof n.NameAddrHeader))throw new Error("Contact not instance of NameAddrHeader.");this.dialogState.remoteTarget=i.uri}switch(t.method){case n.C.BYE:var s=new u.ByeUserAgentServer(this,t);this.delegate&&this.delegate.onBye?this.delegate.onBye(s):s.accept(),this.dispose();break;case n.C.INFO:s=new p.InfoUserAgentServer(this,t);this.delegate&&this.delegate.onInfo?this.delegate.onInfo(s):s.reject({statusCode:469,extraHeaders:["Recv-Info :"]});break;case n.C.INVITE:s=new v.ReInviteUserAgentServer(this,t);this.signalingStateTransition(t),this.delegate&&this.delegate.onInvite?this.delegate.onInvite(s):s.reject({statusCode:488});break;case n.C.NOTIFY:s=new h.NotifyUserAgentServer(this,t);this.delegate&&this.delegate.onNotify?this.delegate.onNotify(s):s.accept();break;case n.C.PRACK:s=new f.PrackUserAgentServer(this,t);this.delegate&&this.delegate.onPrack?this.delegate.onPrack(s):s.accept();break;case n.C.REFER:s=new T.ReferUserAgentServer(this,t);this.delegate&&this.delegate.onRefer?this.delegate.onRefer(s):s.reject();break;default:this.logger.log("INVITE dialog "+this.id+" received unimplemented "+t.method+" request"),this.core.replyStateless(t,{statusCode:501})}}else this.logger.log("INVITE dialog "+this.id+" rejected out of order "+t.method+" request.")},t.prototype.reliableSequenceGuard=function(e){var t=e.statusCode;if(!t)throw new Error("Status code undefined");if(t>100&&t<200){var r=e.getHeader("require"),i=e.getHeader("rseq"),n=r&&r.includes("100rel")&&i?Number(i):void 0;if(n){if(this.rseq&&this.rseq+1!==n)return!1;this.rseq||(this.rseq=n)}}return!0},t.prototype.signalingStateRollback=function(){this._signalingState!==s.SignalingState.HaveLocalOffer&&this.signalingState!==s.SignalingState.HaveRemoteOffer||this._rollbackOffer&&this._rollbackAnswer&&(this._signalingState=s.SignalingState.Stable,this._offer=this._rollbackOffer,this._answer=this._rollbackAnswer)},t.prototype.signalingStateTransition=function(e){var t=n.getBody(e);if(t&&"session"===t.contentDisposition){if(this._signalingState===s.SignalingState.Stable&&(this._rollbackOffer=this._offer,this._rollbackAnswer=this._answer),e instanceof n.IncomingRequestMessage)switch(this._signalingState){case s.SignalingState.Initial:case s.SignalingState.Stable:this._signalingState=s.SignalingState.HaveRemoteOffer,this._offer=t,this._answer=void 0;break;case s.SignalingState.HaveLocalOffer:this._signalingState=s.SignalingState.Stable,this._answer=t;break;case s.SignalingState.HaveRemoteOffer:case s.SignalingState.Closed:break;default:throw new Error("Unexpected signaling state.")}if(e instanceof n.IncomingResponseMessage)switch(this._signalingState){case s.SignalingState.Initial:case s.SignalingState.Stable:this._signalingState=s.SignalingState.HaveRemoteOffer,this._offer=t,this._answer=void 0;break;case s.SignalingState.HaveLocalOffer:this._signalingState=s.SignalingState.Stable,this._answer=t;break;case s.SignalingState.HaveRemoteOffer:case s.SignalingState.Closed:break;default:throw new Error("Unexpected signaling state.")}if(e instanceof n.OutgoingRequestMessage)switch(this._signalingState){case s.SignalingState.Initial:case s.SignalingState.Stable:this._signalingState=s.SignalingState.HaveLocalOffer,this._offer=t,this._answer=void 0;break;case s.SignalingState.HaveLocalOffer:break;case s.SignalingState.HaveRemoteOffer:this._signalingState=s.SignalingState.Stable,this._answer=t;break;case s.SignalingState.Closed:break;default:throw new Error("Unexpected signaling state.")}if(n.isBody(e))switch(this._signalingState){case s.SignalingState.Initial:case s.SignalingState.Stable:this._signalingState=s.SignalingState.HaveLocalOffer,this._offer=t,this._answer=void 0;break;case s.SignalingState.HaveLocalOffer:break;case s.SignalingState.HaveRemoteOffer:this._signalingState=s.SignalingState.Stable,this._answer=t;break;case s.SignalingState.Closed:break;default:throw new Error("Unexpected signaling state.")}}},t.prototype.start2xxRetransmissionTimer=function(){var e=this;if(this.initialTransaction instanceof a.InviteServerTransaction){var t=this.initialTransaction,r=o.Timers.T1,i=function(){e.ackWait?(e.logger.log("No ACK for 2xx response received, attempting retransmission"),t.retransmitAcceptedResponse(),r=Math.min(2*r,o.Timers.T2),e.invite2xxTimer=setTimeout(i,r)):e.invite2xxTimer=void 0};this.invite2xxTimer=setTimeout(i,r);var n=function(){t.state===a.TransactionState.Terminated&&(t.removeListener("stateChanged",n),e.invite2xxTimer&&(clearTimeout(e.invite2xxTimer),e.invite2xxTimer=void 0),e.ackWait&&(e.delegate&&e.delegate.onAckTimeout?e.delegate.onAckTimeout():e.bye()))};t.addListener("stateChanged",n)}},t.prototype.startReInvite2xxRetransmissionTimer=function(){var e=this;if(this.reinviteUserAgentServer&&this.reinviteUserAgentServer.transaction instanceof a.InviteServerTransaction){var t=this.reinviteUserAgentServer.transaction,r=o.Timers.T1,i=function(){e.reinviteUserAgentServer?(e.logger.log("No ACK for 2xx response received, attempting retransmission"),t.retransmitAcceptedResponse(),r=Math.min(2*r,o.Timers.T2),e.invite2xxTimer=setTimeout(i,r)):e.invite2xxTimer=void 0};this.invite2xxTimer=setTimeout(i,r);var n=function(){t.state===a.TransactionState.Terminated&&(t.removeListener("stateChanged",n),e.invite2xxTimer&&(clearTimeout(e.invite2xxTimer),e.invite2xxTimer=void 0),e.reinviteUserAgentServer)};t.addListener("stateChanged",n)}},t}(r(18).Dialog);t.SessionDialog=y},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),function(e){e.Initial="Initial",e.Early="Early",e.AckWait="AckWait",e.Confirmed="Confirmed",e.Terminated="Terminated"}(t.SessionState||(t.SessionState={})),function(e){e.Initial="Initial",e.HaveLocalOffer="HaveLocalOffer",e.HaveRemoteOffer="HaveRemoteOffer",e.Stable="Stable",e.Closed="Closed"}(t.SignalingState||(t.SignalingState={}))},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=function(e){function t(t){return e.call(this,t||"Transaction state error.")||this}return i.__extends(t,e),t}(r(24).Exception);t.TransactionStateError=n},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=function(e){function t(t){return e.call(this,t||"Unspecified transport error.")||this}return i.__extends(t,e),t}(r(24).Exception);t.TransportError=n},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(6),o=r(25),a=r(13),c=function(e){function t(t,r,i){return e.call(this,t,r,i,a.TransactionState.Proceeding,"sip.transaction.ist")||this}return i.__extends(t,e),t.prototype.dispose=function(){this.stopProgressExtensionTimer(),this.H&&(clearTimeout(this.H),this.H=void 0),this.I&&(clearTimeout(this.I),this.I=void 0),this.L&&(clearTimeout(this.L),this.L=void 0),e.prototype.dispose.call(this)},Object.defineProperty(t.prototype,"kind",{get:function(){return"ist"},enumerable:!0,configurable:!0}),t.prototype.receiveRequest=function(e){var t=this;switch(this.state){case a.TransactionState.Proceeding:if(e.method===n.C.INVITE)return void(this.lastProvisionalResponse&&this.send(this.lastProvisionalResponse).catch((function(e){t.logTransportError(e,"Failed to send retransmission of provisional response.")})));break;case a.TransactionState.Accepted:if(e.method===n.C.INVITE)return;break;case a.TransactionState.Completed:if(e.method===n.C.INVITE){if(!this.lastFinalResponse)throw new Error("Last final response undefined.");return void this.send(this.lastFinalResponse).catch((function(e){t.logTransportError(e,"Failed to send retransmission of final response.")}))}if(e.method===n.C.ACK)return void this.stateTransition(a.TransactionState.Confirmed);break;case a.TransactionState.Confirmed:case a.TransactionState.Terminated:if(e.method===n.C.INVITE||e.method===n.C.ACK)return;break;default:throw new Error("Invalid state "+this.state)}var r="INVITE server transaction received unexpected "+e.method+" request while in state "+this.state+".";this.logger.warn(r)},t.prototype.receiveResponse=function(e,t){var r=this;if(e<100||e>699)throw new Error("Invalid status code "+e);switch(this.state){case a.TransactionState.Proceeding:if(e>=100&&e<=199)return this.lastProvisionalResponse=t,e>100&&this.startProgressExtensionTimer(),void this.send(t).catch((function(e){r.logTransportError(e,"Failed to send 1xx response.")}));if(e>=200&&e<=299)return this.lastFinalResponse=t,this.stateTransition(a.TransactionState.Accepted),void this.send(t).catch((function(e){r.logTransportError(e,"Failed to send 2xx response.")}));if(e>=300&&e<=699)return this.lastFinalResponse=t,this.stateTransition(a.TransactionState.Completed),void this.send(t).catch((function(e){r.logTransportError(e,"Failed to send non-2xx final response.")}));break;case a.TransactionState.Accepted:if(e>=200&&e<=299)return void this.send(t).catch((function(e){r.logTransportError(e,"Failed to send 2xx response.")}));break;case a.TransactionState.Completed:case a.TransactionState.Confirmed:case a.TransactionState.Terminated:break;default:throw new Error("Invalid state "+this.state)}var i="INVITE server transaction received unexpected "+e+" response from TU while in state "+this.state+".";throw this.logger.error(i),new Error(i)},t.prototype.retransmitAcceptedResponse=function(){var e=this;this.state===a.TransactionState.Accepted&&this.lastFinalResponse&&this.send(this.lastFinalResponse).catch((function(t){e.logTransportError(t,"Failed to send 2xx response.")}))},t.prototype.onTransportError=function(e){this.user.onTransportError&&this.user.onTransportError(e)},t.prototype.typeToString=function(){return"INVITE server transaction"},t.prototype.stateTransition=function(e){var t=this,r=function(){throw new Error("Invalid state transition from "+t.state+" to "+e)};switch(e){case a.TransactionState.Proceeding:r();break;case a.TransactionState.Accepted:case a.TransactionState.Completed:this.state!==a.TransactionState.Proceeding&&r();break;case a.TransactionState.Confirmed:this.state!==a.TransactionState.Completed&&r();break;case a.TransactionState.Terminated:this.state!==a.TransactionState.Accepted&&this.state!==a.TransactionState.Completed&&this.state!==a.TransactionState.Confirmed&&r();break;default:r()}this.stopProgressExtensionTimer(),e===a.TransactionState.Accepted&&(this.L=setTimeout((function(){return t.timer_L()}),s.Timers.TIMER_L)),e===a.TransactionState.Completed&&(this.H=setTimeout((function(){return t.timer_H()}),s.Timers.TIMER_H)),e===a.TransactionState.Confirmed&&(this.I=setTimeout((function(){return t.timer_I()}),s.Timers.TIMER_I)),e===a.TransactionState.Terminated&&this.dispose(),this.setState(e)},t.prototype.startProgressExtensionTimer=function(){var e=this;void 0===this.progressExtensionTimer&&(this.progressExtensionTimer=setInterval((function(){if(e.logger.debug("Progress extension timer expired for INVITE server transaction "+e.id+"."),!e.lastProvisionalResponse)throw new Error("Last provisional response undefined.");e.send(e.lastProvisionalResponse).catch((function(t){e.logTransportError(t,"Failed to send retransmission of provisional response.")}))}),s.Timers.PROVISIONAL_RESPONSE_INTERVAL))},t.prototype.stopProgressExtensionTimer=function(){void 0!==this.progressExtensionTimer&&(clearInterval(this.progressExtensionTimer),this.progressExtensionTimer=void 0)},t.prototype.timer_G=function(){},t.prototype.timer_H=function(){this.logger.debug("Timer H expired for INVITE server transaction "+this.id+"."),this.state===a.TransactionState.Completed&&(this.logger.warn("ACK to negative final response was never received, terminating transaction."),this.stateTransition(a.TransactionState.Terminated))},t.prototype.timer_I=function(){this.logger.debug("Timer I expired for INVITE server transaction "+this.id+"."),this.stateTransition(a.TransactionState.Terminated)},t.prototype.timer_L=function(){this.logger.debug("Timer L expired for INVITE server transaction "+this.id+"."),this.state===a.TransactionState.Accepted&&this.stateTransition(a.TransactionState.Terminated)},t}(o.ServerTransaction);t.InviteServerTransaction=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(6),s=r(22),o=r(13),a=function(e){function t(t,r,i){var s=e.call(this,t,r,i,o.TransactionState.Trying,"sip.transaction.nict")||this;return s.F=setTimeout((function(){return s.timer_F()}),n.Timers.TIMER_F),s.send(t.toString()).catch((function(e){s.logTransportError(e,"Failed to send initial outgoing request.")})),s}return i.__extends(t,e),t.prototype.dispose=function(){this.F&&(clearTimeout(this.F),this.F=void 0),this.K&&(clearTimeout(this.K),this.K=void 0),e.prototype.dispose.call(this)},Object.defineProperty(t.prototype,"kind",{get:function(){return"nict"},enumerable:!0,configurable:!0}),t.prototype.receiveResponse=function(e){var t=e.statusCode;if(!t||t<100||t>699)throw new Error("Invalid status code "+t);switch(this.state){case o.TransactionState.Trying:if(t>=100&&t<=199)return this.stateTransition(o.TransactionState.Proceeding),void(this.user.receiveResponse&&this.user.receiveResponse(e));if(t>=200&&t<=699)return this.stateTransition(o.TransactionState.Completed),408===t?void this.onRequestTimeout():void(this.user.receiveResponse&&this.user.receiveResponse(e));break;case o.TransactionState.Proceeding:if(t>=100&&t<=199&&this.user.receiveResponse)return this.user.receiveResponse(e);if(t>=200&&t<=699)return this.stateTransition(o.TransactionState.Completed),408===t?void this.onRequestTimeout():void(this.user.receiveResponse&&this.user.receiveResponse(e));case o.TransactionState.Completed:case o.TransactionState.Terminated:return;default:throw new Error("Invalid state "+this.state)}var r="Non-INVITE client transaction received unexpected "+t+" response while in state "+this.state+".";this.logger.warn(r)},t.prototype.onTransportError=function(e){this.user.onTransportError&&this.user.onTransportError(e),this.stateTransition(o.TransactionState.Terminated,!0)},t.prototype.typeToString=function(){return"non-INVITE client transaction"},t.prototype.stateTransition=function(e,t){var r=this;void 0===t&&(t=!1);var i=function(){throw new Error("Invalid state transition from "+r.state+" to "+e)};switch(e){case o.TransactionState.Trying:i();break;case o.TransactionState.Proceeding:this.state!==o.TransactionState.Trying&&i();break;case o.TransactionState.Completed:this.state!==o.TransactionState.Trying&&this.state!==o.TransactionState.Proceeding&&i();break;case o.TransactionState.Terminated:this.state!==o.TransactionState.Trying&&this.state!==o.TransactionState.Proceeding&&this.state!==o.TransactionState.Completed&&(t||i());break;default:i()}e===o.TransactionState.Completed&&(this.F&&(clearTimeout(this.F),this.F=void 0),this.K=setTimeout((function(){return r.timer_K()}),n.Timers.TIMER_K)),e===o.TransactionState.Terminated&&this.dispose(),this.setState(e)},t.prototype.timer_F=function(){this.logger.debug("Timer F expired for non-INVITE client transaction "+this.id+"."),this.state!==o.TransactionState.Trying&&this.state!==o.TransactionState.Proceeding||(this.onRequestTimeout(),this.stateTransition(o.TransactionState.Terminated))},t.prototype.timer_K=function(){this.state===o.TransactionState.Completed&&this.stateTransition(o.TransactionState.Terminated)},t}(s.ClientTransaction);t.NonInviteClientTransaction=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(6),s=r(25),o=r(13),a=function(e){function t(t,r,i){return e.call(this,t,r,i,o.TransactionState.Trying,"sip.transaction.nist")||this}return i.__extends(t,e),t.prototype.dispose=function(){this.J&&(clearTimeout(this.J),this.J=void 0),e.prototype.dispose.call(this)},Object.defineProperty(t.prototype,"kind",{get:function(){return"nist"},enumerable:!0,configurable:!0}),t.prototype.receiveRequest=function(e){var t=this;switch(this.state){case o.TransactionState.Trying:break;case o.TransactionState.Proceeding:if(!this.lastResponse)throw new Error("Last response undefined.");this.send(this.lastResponse).catch((function(e){t.logTransportError(e,"Failed to send retransmission of provisional response.")}));break;case o.TransactionState.Completed:if(!this.lastResponse)throw new Error("Last response undefined.");this.send(this.lastResponse).catch((function(e){t.logTransportError(e,"Failed to send retransmission of final response.")}));break;case o.TransactionState.Terminated:break;default:throw new Error("Invalid state "+this.state)}},t.prototype.receiveResponse=function(e,t){var r=this;if(e<100||e>699)throw new Error("Invalid status code "+e);if(e>100&&e<=199)throw new Error("Provisional response other than 100 not allowed.");switch(this.state){case o.TransactionState.Trying:if(this.lastResponse=t,e>=100&&e<200)return this.stateTransition(o.TransactionState.Proceeding),void this.send(t).catch((function(e){r.logTransportError(e,"Failed to send provisional response.")}));if(e>=200&&e<=699)return this.stateTransition(o.TransactionState.Completed),void this.send(t).catch((function(e){r.logTransportError(e,"Failed to send final response.")}));break;case o.TransactionState.Proceeding:if(this.lastResponse=t,e>=200&&e<=699)return this.stateTransition(o.TransactionState.Completed),void this.send(t).catch((function(e){r.logTransportError(e,"Failed to send final response.")}));break;case o.TransactionState.Completed:return;case o.TransactionState.Terminated:break;default:throw new Error("Invalid state "+this.state)}var i="Non-INVITE server transaction received unexpected "+e+" response from TU while in state "+this.state+".";throw this.logger.error(i),new Error(i)},t.prototype.onTransportError=function(e){this.user.onTransportError&&this.user.onTransportError(e),this.stateTransition(o.TransactionState.Terminated,!0)},t.prototype.typeToString=function(){return"non-INVITE server transaction"},t.prototype.stateTransition=function(e,t){var r=this;void 0===t&&(t=!1);var i=function(){throw new Error("Invalid state transition from "+r.state+" to "+e)};switch(e){case o.TransactionState.Trying:i();break;case o.TransactionState.Proceeding:this.state!==o.TransactionState.Trying&&i();break;case o.TransactionState.Completed:this.state!==o.TransactionState.Trying&&this.state!==o.TransactionState.Proceeding&&i();break;case o.TransactionState.Terminated:this.state!==o.TransactionState.Proceeding&&this.state!==o.TransactionState.Completed&&(t||i());break;default:i()}e===o.TransactionState.Completed&&(this.J=setTimeout((function(){return r.timer_J()}),n.Timers.TIMER_J)),e===o.TransactionState.Terminated&&this.dispose(),this.setState(e)},t.prototype.timer_J=function(){this.logger.debug("Timer J expired for NON-INVITE server transaction "+this.id+"."),this.state===o.TransactionState.Completed&&this.stateTransition(o.TransactionState.Terminated)},t}(s.ServerTransaction);t.NonInviteServerTransaction=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),function(e){e.Initial="Initial",e.NotifyWait="NotifyWait",e.Pending="Pending",e.Active="Active",e.Terminated="Terminated"}(t.SubscriptionState||(t.SubscriptionState={}))},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0);i.__exportStar(r(28),t),i.__exportStar(r(72),t),i.__exportStar(r(49),t)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(28),n=r(49),s=function(){function e(){this.builtinEnabled=!0,this._level=i.Levels.log,this.loggers={},this.logger=this.getLogger("sip:loggerfactory")}return Object.defineProperty(e.prototype,"level",{get:function(){return this._level},set:function(e){e>=0&&e<=3?this._level=e:e>3?this._level=3:i.Levels.hasOwnProperty(e)?this._level=e:this.logger.error("invalid 'level' parameter value: "+JSON.stringify(e))},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"connector",{get:function(){return this._connector},set:function(e){e?"function"==typeof e?this._connector=e:this.logger.error("invalid 'connector' parameter value: "+JSON.stringify(e)):this._connector=void 0},enumerable:!0,configurable:!0}),e.prototype.getLogger=function(e,t){if(t&&3===this.level)return new n.Logger(this,e,t);if(this.loggers[e])return this.loggers[e];var r=new n.Logger(this,e);return this.loggers[e]=r,r},e.prototype.genericLog=function(e,t,r,n){this.level>=e&&this.builtinEnabled&&this.print(e,t,r,n),this.connector&&this.connector(i.Levels[e],t,r,n)},e.prototype.print=function(e,t,r,n){if("string"==typeof n){var s=[new Date,t];r&&s.push(r),n=s.concat(n).join(" | ")}switch(e){case i.Levels.error:console.error(n);break;case i.Levels.warn:console.warn(n);break;case i.Levels.log:console.log(n);break;case i.Levels.debug:console.debug(n)}},e}();t.LoggerFactory=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),r(0).__exportStar(r(74),t)},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(2),s=r(1),o=r(50),a=r(14),c=["application/sdp","application/dtmf-relay"],u=function(){function e(e,t){void 0===t&&(t={}),this.userAgentClients=new Map,this.userAgentServers=new Map,this.configuration=e,this.delegate=t,this.dialogs=new Map,this.subscribers=new Map,this.logger=e.loggerFactory.getLogger("sip.user-agent-core")}return e.prototype.dispose=function(){this.reset()},e.prototype.reset=function(){this.dialogs.forEach((function(e){return e.dispose()})),this.dialogs.clear(),this.subscribers.forEach((function(e){return e.dispose()})),this.subscribers.clear(),this.userAgentClients.forEach((function(e){return e.dispose()})),this.userAgentClients.clear(),this.userAgentServers.forEach((function(e){return e.dispose()})),this.userAgentServers.clear()},Object.defineProperty(e.prototype,"loggerFactory",{get:function(){return this.configuration.loggerFactory},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"transport",{get:function(){var e=this.configuration.transportAccessor();if(!e)throw new Error("Transport undefined.");return e},enumerable:!0,configurable:!0}),e.prototype.invite=function(e,t){return new o.InviteUserAgentClient(this,e,t)},e.prototype.message=function(e,t){return new o.MessageUserAgentClient(this,e,t)},e.prototype.publish=function(e,t){return new o.PublishUserAgentClient(this,e,t)},e.prototype.register=function(e,t){return new o.RegisterUserAgentClient(this,e,t)},e.prototype.subscribe=function(e,t){return new o.SubscribeUserAgentClient(this,e,t)},e.prototype.request=function(e,t){return new o.UserAgentClient(s.NonInviteClientTransaction,this,e,t)},e.prototype.makeOutgoingRequestMessage=function(e,t,r,s,o,a,c){var u=this.configuration.sipjsId,d=this.configuration.displayName,p=this.configuration.viaForceRport,l=this.configuration.hackViaTcp,h=this.configuration.supportedOptionTags.slice();e===n.C.REGISTER&&h.push("path","gruu"),e===n.C.INVITE&&(this.configuration.contact.pubGruu||this.configuration.contact.tempGruu)&&h.push("gruu");var g={callIdPrefix:u,forceRport:p,fromDisplayName:d,hackViaTcp:l,optionTags:h,routeSet:this.configuration.routeSet,userAgentString:this.configuration.userAgentHeaderFieldValue,viaHost:this.configuration.viaHost},f=i.__assign(i.__assign({},g),o);return new n.OutgoingRequestMessage(e,t,r,s,f,a,c)},e.prototype.receiveIncomingRequestFromTransport=function(e){this.receiveRequestFromTransport(e)},e.prototype.receiveIncomingResponseFromTransport=function(e){this.receiveResponseFromTransport(e)},e.prototype.replyStateless=function(e,t){var r=this,s=this.configuration.userAgentHeaderFieldValue,o=this.configuration.supportedOptionTagsResponse;t=i.__assign(i.__assign({},t),{userAgent:s,supported:o});var a=n.constructOutgoingResponse(e,t);return this.transport.send(a.message).catch((function(t){t instanceof Error&&r.logger.error(t.message),r.logger.error("Transport error occurred sending stateless reply to "+e.method+" request.")})),a},e.prototype.receiveRequestFromTransport=function(e){var t=e.viaBranch,r=this.userAgentServers.get(t);e.method===n.C.ACK&&r&&r.transaction.state===s.TransactionState.Accepted&&r instanceof o.InviteUserAgentServer?this.logger.warn("Discarding out of dialog ACK after 2xx response sent on transaction "+t+"."):e.method!==n.C.CANCEL?r?r.transaction.receiveRequest(e):this.receiveRequest(e):r?(this.replyStateless(e,{statusCode:200}),r.transaction instanceof s.InviteServerTransaction&&r.transaction.state===s.TransactionState.Proceeding&&r instanceof o.InviteUserAgentServer&&r.receiveCancel(e)):this.replyStateless(e,{statusCode:481})},e.prototype.receiveRequest=function(e){if(-1!==a.AllowedMethods.indexOf(e.method)){if(!e.ruri)throw new Error("Request-URI undefined.");if("sip"===e.ruri.scheme){var t=e.ruri,r=function(e){return!!e&&e.user===t.user};if(!r(this.configuration.aor)&&!(r(this.configuration.contact.uri)||r(this.configuration.contact.pubGruu)||r(this.configuration.contact.tempGruu)))return this.logger.warn("Request-URI does not point to us."),void(e.method!==n.C.ACK&&this.replyStateless(e,{statusCode:404}));if(e.method!==n.C.INVITE||e.hasHeader("Contact")){if(!e.toTag){var i=e.viaBranch;if(!this.userAgentServers.has(i))if(Array.from(this.userAgentServers.values()).some((function(t){return t.transaction.request.fromTag===e.fromTag&&t.transaction.request.callId===e.callId&&t.transaction.request.cseq===e.cseq})))return void this.replyStateless(e,{statusCode:482})}e.toTag?this.receiveInsideDialogRequest(e):this.receiveOutsideDialogRequest(e)}else this.replyStateless(e,{statusCode:400,reasonPhrase:"Missing Contact Header"})}else this.replyStateless(e,{statusCode:416})}else{var s="Allow: "+a.AllowedMethods.toString();this.replyStateless(e,{statusCode:405,extraHeaders:[s]})}},e.prototype.receiveInsideDialogRequest=function(e){if(e.method===n.C.NOTIFY){var t=e.parseHeader("Event");if(!t||!t.event)return void this.replyStateless(e,{statusCode:489});var r=e.callId+e.toTag+t.event,i=this.subscribers.get(r);if(i){var s=new o.NotifyUserAgentServer(this,e);return void i.onNotify(s)}}var u=e.callId+e.toTag+e.fromTag,d=this.dialogs.get(u);if(d){if(e.method===n.C.OPTIONS){var p="Allow: "+a.AllowedMethods.toString(),l="Accept: "+c.toString();return void this.replyStateless(e,{statusCode:200,extraHeaders:[p,l]})}d.receiveRequest(e)}else e.method!==n.C.ACK&&this.replyStateless(e,{statusCode:481})},e.prototype.receiveOutsideDialogRequest=function(e){switch(e.method){case n.C.ACK:break;case n.C.BYE:this.replyStateless(e,{statusCode:481});break;case n.C.CANCEL:throw new Error("Unexpected out of dialog request method "+e.method+".");case n.C.INFO:this.replyStateless(e,{statusCode:405});break;case n.C.INVITE:var t=new o.InviteUserAgentServer(this,e);this.delegate.onInvite?this.delegate.onInvite(t):t.reject();break;case n.C.MESSAGE:t=new o.MessageUserAgentServer(this,e);this.delegate.onMessage?this.delegate.onMessage(t):t.accept();break;case n.C.NOTIFY:t=new o.NotifyUserAgentServer(this,e);this.delegate.onNotify?this.delegate.onNotify(t):t.reject({statusCode:405});break;case n.C.OPTIONS:var r="Allow: "+a.AllowedMethods.toString(),i="Accept: "+c.toString();this.replyStateless(e,{statusCode:200,extraHeaders:[r,i]});break;case n.C.REFER:t=new o.ReferUserAgentServer(this,e);this.delegate.onRefer?this.delegate.onRefer(t):t.reject({statusCode:405});break;case n.C.REGISTER:t=new o.RegisterUserAgentServer(this,e);this.delegate.onRegister?this.delegate.onRegister(t):t.reject({statusCode:405});break;case n.C.SUBSCRIBE:t=new o.SubscribeUserAgentServer(this,e);this.delegate.onSubscribe?this.delegate.onSubscribe(t):t.reject({statusCode:480});break;default:throw new Error("Unexpected out of dialog request method "+e.method+".")}},e.prototype.receiveResponseFromTransport=function(e){if(e.getHeaders("via").length>1)this.logger.warn("More than one Via header field present in the response, dropping");else{var t=e.viaBranch+e.method,r=this.userAgentClients.get(t);r?r.transaction.receiveResponse(e):this.logger.warn("Discarding unmatched "+e.statusCode+" response to "+e.method+" "+t+".")}},e}();t.UserAgentCore=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){return e.call(this,n.NonInviteClientTransaction,t,r,i)||this}return i.__extends(t,e),t}(r(3).UserAgentClient);t.CancelUserAgentClient=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(17),s=r(15),o=r(1),a=function(e){function t(t,r,i){var n=e.call(this,o.InviteClientTransaction,t,r,i)||this;return n.confirmedDialogAcks=new Map,n.confirmedDialogs=new Map,n.earlyDialogs=new Map,n.delegate=i,n}return i.__extends(t,e),t.prototype.dispose=function(){this.earlyDialogs.forEach((function(e){return e.dispose()})),this.earlyDialogs.clear(),e.prototype.dispose.call(this)},t.prototype.onTransportError=function(t){if(this.transaction.state===o.TransactionState.Calling)return e.prototype.onTransportError.call(this,t);this.logger.error(t.message),this.logger.error("User agent client request transport error while sending ACK.")},t.prototype.receiveResponse=function(e){var t=this;if(this.authenticationGuard(e)){var r=e.statusCode?e.statusCode.toString():"";if(!r)throw new Error("Response status code undefined.");switch(!0){case/^100$/.test(r):return void(this.delegate&&this.delegate.onTrying&&this.delegate.onTrying({message:e}));case/^1[0-9]{2}$/.test(r):if(!e.toTag)return void this.logger.warn("Non-100 1xx INVITE response received without a to tag, dropping.");var i=n.Dialog.initialDialogStateForUserAgentClient(this.message,e),a=this.earlyDialogs.get(i.id);if(!a){if(!((d=this.transaction)instanceof o.InviteClientTransaction))throw new Error("Transaction not instance of InviteClientTransaction.");a=new n.SessionDialog(d,this.core,i),this.earlyDialogs.set(a.id,a)}if(!a.reliableSequenceGuard(e))return void this.logger.warn("1xx INVITE reliable response received out of order, dropping.");a.signalingState!==s.SignalingState.Initial&&a.signalingState!==s.SignalingState.HaveLocalOffer||a.signalingStateTransition(e);var c=a;return void(this.delegate&&this.delegate.onProgress&&this.delegate.onProgress({message:e,session:c,prack:function(e){return c.prack(void 0,e)}}));case/^2[0-9]{2}$/.test(r):i=n.Dialog.initialDialogStateForUserAgentClient(this.message,e);var u=this.confirmedDialogs.get(i.id);if(u){if(l=this.confirmedDialogAcks.get(i.id)){if(!((d=this.transaction)instanceof o.InviteClientTransaction))throw new Error("Client transaction not instance of InviteClientTransaction.");d.ackResponse(l.message)}return}if(u=this.earlyDialogs.get(i.id))u.confirm(),u.recomputeRouteSet(e),this.earlyDialogs.delete(u.id),this.confirmedDialogs.set(u.id,u);else{var d;if(!((d=this.transaction)instanceof o.InviteClientTransaction))throw new Error("Transaction not instance of InviteClientTransaction.");u=new n.SessionDialog(d,this.core,i),this.confirmedDialogs.set(u.id,u)}u.signalingState!==s.SignalingState.Initial&&u.signalingState!==s.SignalingState.HaveLocalOffer||u.signalingStateTransition(e);var p=u;if(this.delegate&&this.delegate.onAccept)this.delegate.onAccept({message:e,session:p,ack:function(e){var r=p.ack(e);return t.confirmedDialogAcks.set(p.id,r),r}});else{var l=p.ack();this.confirmedDialogAcks.set(p.id,l)}return;case/^3[0-9]{2}$/.test(r):return this.earlyDialogs.forEach((function(e){return e.dispose()})),this.earlyDialogs.clear(),void(this.delegate&&this.delegate.onRedirect&&this.delegate.onRedirect({message:e}));case/^[4-6][0-9]{2}$/.test(r):return this.earlyDialogs.forEach((function(e){return e.dispose()})),this.earlyDialogs.clear(),void(this.delegate&&this.delegate.onReject&&this.delegate.onReject({message:e}));default:throw new Error("Invalid status code "+r)}throw new Error("Executing what should be an unreachable code path receiving "+r+" response.")}},t}(r(3).UserAgentClient);t.InviteUserAgentClient=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(17),s=r(16),o=r(15),a=r(1),c=r(14),u=function(e){function t(t,r,i){var n=e.call(this,a.InviteServerTransaction,t,r,i)||this;return n.core=t,n}return i.__extends(t,e),t.prototype.dispose=function(){this.earlyDialog&&this.earlyDialog.dispose(),e.prototype.dispose.call(this)},t.prototype.accept=function(t){if(void 0===t&&(t={statusCode:200}),!this.acceptable)throw new s.TransactionStateError(this.message.method+" not acceptable in state "+this.transaction.state+".");if(!this.confirmedDialog)if(this.earlyDialog)this.earlyDialog.confirm(),this.confirmedDialog=this.earlyDialog,this.earlyDialog=void 0;else{var r=this.transaction;if(!(r instanceof a.InviteServerTransaction))throw new Error("Transaction not instance of InviteClientTransaction.");var u=n.Dialog.initialDialogStateForUserAgentServer(this.message,this.toTag);this.confirmedDialog=new n.SessionDialog(r,this.core,u)}var d=this.message.getHeaders("record-route").map((function(e){return"Record-Route: "+e})),p="Contact: "+this.core.configuration.contact.toString(),l="Allow: "+c.AllowedMethods.toString();if(!t.body)if(this.confirmedDialog.signalingState===o.SignalingState.Stable)t.body=this.confirmedDialog.answer;else if(this.confirmedDialog.signalingState===o.SignalingState.Initial||this.confirmedDialog.signalingState===o.SignalingState.HaveRemoteOffer)throw new Error("Response must have a body.");t.statusCode=t.statusCode||200,t.extraHeaders=t.extraHeaders||[],t.extraHeaders=t.extraHeaders.concat(d),t.extraHeaders.push(l),t.extraHeaders.push(p);var h=e.prototype.accept.call(this,t),g=this.confirmedDialog,f=i.__assign(i.__assign({},h),{session:g});return t.body&&this.confirmedDialog.signalingState!==o.SignalingState.Stable&&this.confirmedDialog.signalingStateTransition(t.body),f},t.prototype.progress=function(t){if(void 0===t&&(t={statusCode:180}),!this.progressable)throw new s.TransactionStateError(this.message.method+" not progressable in state "+this.transaction.state+".");if(!this.earlyDialog){var r=this.transaction;if(!(r instanceof a.InviteServerTransaction))throw new Error("Transaction not instance of InviteClientTransaction.");var c=n.Dialog.initialDialogStateForUserAgentServer(this.message,this.toTag,!0);this.earlyDialog=new n.SessionDialog(r,this.core,c)}var u=this.message.getHeaders("record-route").map((function(e){return"Record-Route: "+e})),d="Contact: "+this.core.configuration.contact;t.extraHeaders=t.extraHeaders||[],t.extraHeaders=t.extraHeaders.concat(u),t.extraHeaders.push(d);var p=e.prototype.progress.call(this,t),l=this.earlyDialog,h=i.__assign(i.__assign({},p),{session:l});return t.body&&this.earlyDialog.signalingState!==o.SignalingState.Stable&&this.earlyDialog.signalingStateTransition(t.body),h},t.prototype.redirect=function(t,r){return void 0===r&&(r={statusCode:302}),e.prototype.redirect.call(this,t,r)},t.prototype.reject=function(t){return void 0===t&&(t={statusCode:486}),e.prototype.reject.call(this,t)},t}(r(4).UserAgentServer);t.InviteUserAgentServer=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){return e.call(this,n.NonInviteClientTransaction,t,r,i)||this}return i.__extends(t,e),t}(r(3).UserAgentClient);t.MessageUserAgentClient=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){var s=e.call(this,n.NonInviteServerTransaction,t,r,i)||this;return s.core=t,s}return i.__extends(t,e),t}(r(4).UserAgentServer);t.MessageUserAgentServer=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){return e.call(this,n.NonInviteClientTransaction,t,r,i)||this}return i.__extends(t,e),t}(r(3).UserAgentClient);t.PublishUserAgentClient=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){return e.call(this,n.NonInviteServerTransaction,t.userAgentCore,r,i)||this}return i.__extends(t,e),t}(r(4).UserAgentServer);t.ReSubscribeUserAgentServer=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){return e.call(this,n.NonInviteClientTransaction,t,r,i)||this}return i.__extends(t,e),t}(r(3).UserAgentClient);t.RegisterUserAgentClient=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){var s=e.call(this,n.NonInviteServerTransaction,t,r,i)||this;return s.core=t,s}return i.__extends(t,e),t}(r(4).UserAgentServer);t.RegisterUserAgentServer=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(47),s=r(27),o=r(6),a=r(1),c=function(e){function t(t,r,i){var n=this,o=r.getHeader("Event");if(!o)throw new Error("Event undefined");var c=r.getHeader("Expires");if(!c)throw new Error("Expires undefined");return(n=e.call(this,a.NonInviteClientTransaction,t,r,i)||this).delegate=i,n.subscriberId=r.callId+r.fromTag+o,n.subscriptionExpiresRequested=n.subscriptionExpires=Number(c),n.subscriptionEvent=o,n.subscriptionState=s.SubscriptionState.NotifyWait,n.waitNotifyStart(),n}return i.__extends(t,e),t.prototype.dispose=function(){e.prototype.dispose.call(this)},t.prototype.onNotify=function(e){var t=e.message.parseHeader("Event").event;if(!t||t!==this.subscriptionEvent)return this.logger.warn("Failed to parse event."),void e.reject({statusCode:489});var r=e.message.parseHeader("Subscription-State");if(!r||!r.state)return this.logger.warn("Failed to parse subscription state."),void e.reject({statusCode:489});var i=r.state;switch(i){case"pending":case"active":case"terminated":break;default:return this.logger.warn("Invalid subscription state "+i),void e.reject({statusCode:489})}if("terminated"!==i&&!e.message.parseHeader("contact"))return this.logger.warn("Failed to parse contact."),void e.reject({statusCode:489});if(this.dialog)throw new Error("Dialog already created. This implementation only supports install of single subscriptions.");switch(this.waitNotifyStop(),this.subscriptionExpires=r.expires?Math.min(this.subscriptionExpires,Math.max(r.expires,0)):this.subscriptionExpires,i){case"pending":this.subscriptionState=s.SubscriptionState.Pending;break;case"active":this.subscriptionState=s.SubscriptionState.Active;break;case"terminated":this.subscriptionState=s.SubscriptionState.Terminated;break;default:throw new Error("Unrecognized state "+i+".")}if(this.subscriptionState!==s.SubscriptionState.Terminated){var o=n.SubscriptionDialog.initialDialogStateForSubscription(this.message,e.message);this.dialog=new n.SubscriptionDialog(this.subscriptionEvent,this.subscriptionExpires,this.subscriptionState,this.core,o)}if(this.delegate&&this.delegate.onNotify){var a=e,c=this.dialog;this.delegate.onNotify({request:a,subscription:c})}else e.accept()},t.prototype.waitNotifyStart=function(){var e=this;this.N||(this.core.subscribers.set(this.subscriberId,this),this.N=setTimeout((function(){return e.timer_N()}),o.Timers.TIMER_N))},t.prototype.waitNotifyStop=function(){this.N&&(this.core.subscribers.delete(this.subscriberId),clearTimeout(this.N),this.N=void 0)},t.prototype.receiveResponse=function(t){if(this.authenticationGuard(t)){if(t.statusCode&&t.statusCode>=200&&t.statusCode<300){var r=t.getHeader("Expires");if(r){var i=Number(r);i>this.subscriptionExpiresRequested&&this.logger.warn("Expires header in a 200-class response to SUBSCRIBE with a higher value than the one in the request"),i<this.subscriptionExpires&&(this.subscriptionExpires=i)}else this.logger.warn("Expires header missing in a 200-class response to SUBSCRIBE");this.dialog&&this.dialog.subscriptionExpires>this.subscriptionExpires&&(this.dialog.subscriptionExpires=this.subscriptionExpires)}t.statusCode&&t.statusCode>=300&&t.statusCode<700&&this.waitNotifyStop(),e.prototype.receiveResponse.call(this,t)}},t.prototype.timer_N=function(){this.logger.warn("Timer N expired for SUBSCRIBE user agent client. Timed out waiting for NOTIFY."),this.waitNotifyStop(),this.delegate&&this.delegate.onNotifyTimeout&&this.delegate.onNotifyTimeout()},t}(r(3).UserAgentClient);t.SubscribeUserAgentClient=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(1),s=function(e){function t(t,r,i){var s=e.call(this,n.NonInviteServerTransaction,t,r,i)||this;return s.core=t,s}return i.__extends(t,e),t}(r(4).UserAgentServer);t.SubscribeUserAgentServer=s},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=function(e){function t(t,r){var i=e.call(this)||this;return i.logger=t,i}return i.__extends(t,e),t.prototype.connect=function(e){var t=this;return void 0===e&&(e={}),this.connectPromise(e).then((function(e){e.overrideEvent||t.emit("connected")}))},t.prototype.send=function(e,t){var r=this;return void 0===t&&(t={}),this.sendPromise(e).then((function(e){e.overrideEvent||r.emit("messageSent",e.msg)}))},t.prototype.disconnect=function(e){var t=this;return void 0===e&&(e={}),this.disconnectPromise(e).then((function(e){e.overrideEvent||t.emit("disconnected")}))},t.prototype.afterConnected=function(e){this.isConnected()?e():this.once("connected",e)},t.prototype.waitForConnected=function(){var e=this;return console.warn("DEPRECATION WARNING Transport.waitForConnected(): use afterConnected() instead"),new Promise((function(t){e.afterConnected(t)}))},t}(r(7).EventEmitter);t.Transport=n},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(e,t){for(var r,i=[],n=e.split(/\r\n/),s=0;s<n.length;){var o=n[s];if(/^m=(?:audio|video)/.test(o))r={index:s,stripped:[]},i.push(r);else if(r){var a=/^a=rtpmap:(\d+) ([^\/]+)\//.exec(o);if(a&&t===a[2]){n.splice(s,1),r.stripped.push(a[1]);continue}}s++}for(var c=0,u=i;c<u.length;c++){for(var d=u[c],p=n[d.index].split(" 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function(t){return t.sdp=i(t.sdp||"",e),Promise.resolve(t)}},t.stripVideo=function(e){return e.sdp=n(e.sdp||"","video"),Promise.resolve(e)},t.addMidLines=function(e){var t=e.sdp||"";if(-1===t.search(/^a=mid.*$/gm)){var r=t.match(/^m=.*$/gm),i=t.split(/^m=.*$/gm);r&&r.forEach((function(e,t){r[t]=e+"\na=mid:"+t})),i.forEach((function(e,t){r&&r[t]&&(i[t]=e+r[t])})),t=i.join(""),e.sdp=t}return Promise.resolve(e)}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.LIBRARY_VERSION="0.15.6"},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(5);!function(e){function t(e,t){var r=t,i=0,n=0;if(e.substring(r,r+2).match(/(^\r\n)/))return-2;for(;0===i;){if(-1===(n=e.indexOf("\r\n",r)))return n;!e.substring(n+2,n+4).match(/(^\r\n)/)&&e.charAt(n+2).match(/(^\s+)/)?r=n+2:i=n}return i}function r(e,t,r,n){var s,o=t.indexOf(":",r),a=t.substring(r,o).trim(),c=t.substring(o+1,n).trim();switch(a.toLowerCase()){case"via":case"v":e.addHeader("via",c),1===e.getHeaders("via").length?(s=e.parseHeader("Via"))&&(e.via=s,e.viaBranch=s.branch):s=0;break;case"from":case"f":e.setHeader("from",c),(s=e.parseHeader("from"))&&(e.from=s,e.fromTag=s.getParam("tag"));break;case"to":case"t":e.setHeader("to",c),(s=e.parseHeader("to"))&&(e.to=s,e.toTag=s.getParam("tag"));break;case"record-route":if(-1===(s=i.Grammar.parse(c,"Record_Route"))){s=void 0;break}for(var u in s)s[u]&&(e.addHeader("record-route",c.substring(s[u].position,s[u].offset)),e.headers["Record-Route"][e.getHeaders("record-route").length-1].parsed=s[u].parsed);break;case"call-id":case"i":e.setHeader("call-id",c),(s=e.parseHeader("call-id"))&&(e.callId=c);break;case"contact":case"m":if(-1===(s=i.Grammar.parse(c,"Contact"))){s=void 0;break}if(!(s instanceof Array)){s=void 0;break}s.forEach((function(t){e.addHeader("contact",c.substring(t.position,t.offset)),e.headers.Contact[e.getHeaders("contact").length-1].parsed=t.parsed}));break;case"content-length":case"l":e.setHeader("content-length",c),s=e.parseHeader("content-length");break;case"content-type":case"c":e.setHeader("content-type",c),s=e.parseHeader("content-type");break;case"cseq":e.setHeader("cseq",c),(s=e.parseHeader("cseq"))&&(e.cseq=s.value),e instanceof i.IncomingResponseMessage&&(e.method=s.method);break;case"max-forwards":e.setHeader("max-forwards",c),s=e.parseHeader("max-forwards");break;case"www-authenticate":e.setHeader("www-authenticate",c),s=e.parseHeader("www-authenticate");break;case"proxy-authenticate":e.setHeader("proxy-authenticate",c),s=e.parseHeader("proxy-authenticate");break;case"refer-to":case"r":e.setHeader("refer-to",c),(s=e.parseHeader("refer-to"))&&(e.referTo=s);break;default:e.addHeader(a.toLowerCase(),c),s=0}return void 0!==s||{error:"error parsing header '"+a+"'"}}e.getHeader=t,e.parseHeader=r,e.parseMessage=function(e,n){var s=0,o=e.indexOf("\r\n");if(-1!==o){var a,c=e.substring(0,o),u=i.Grammar.parse(c,"Request_Response");if(-1!==u){var d;for(u.status_code?((a=new i.IncomingResponseMessage).statusCode=u.status_code,a.reasonPhrase=u.reason_phrase):((a=new i.IncomingRequestMessage).method=u.method,a.ruri=u.uri),a.data=e,s=o+2;;){if(-2===(o=t(e,s))){d=s+2;break}if(-1===o)return void n.error("malformed message");if(!0!==r(a,e,s,o))return void n.error(u.error);s=o+2}return a.hasHeader("content-length")?a.body=e.substr(d,Number(a.getHeader("content-length"))):a.body=e.substring(d),a}n.warn('error parsing first line of SIP message: "'+c+'"')}else n.warn("no CRLF found, not a SIP message, discarded")}}(t.Parser||(t.Parser={}))},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(11),o=r(5),a=r(8),c=r(9),u=function(e){function t(r,i){var n=e.call(this)||this;return n.incomingRequest=i,n.data={},t.initializer(n,r,i),n}return i.__extends(t,e),t.initializer=function(e,t,r){var i=r.message;if(e.type=a.TypeStrings.ServerContext,e.ua=t,e.logger=t.getLogger("sip.servercontext"),e.request=i,i.body&&(e.body=i.body),i.hasHeader("Content-Type")&&(e.contentType=i.getHeader("Content-Type")),e.method=i.method,e.localIdentity=i.to,e.remoteIdentity=i.from,i.hasHeader("P-Asserted-Identity")){var n=i.getHeader("P-Asserted-Identity");n&&(e.assertedIdentity=o.Grammar.nameAddrHeaderParse(n))}},t.prototype.progress=function(e){return void 0===e&&(e={}),e.statusCode=e.statusCode||180,e.minCode=100,e.maxCode=199,e.events=["progress"],this.reply(e)},t.prototype.accept=function(e){return void 0===e&&(e={}),e.statusCode=e.statusCode||200,e.minCode=200,e.maxCode=299,e.events=["accepted"],this.reply(e)},t.prototype.reject=function(e){return void 0===e&&(e={}),e.statusCode=e.statusCode||480,e.minCode=300,e.maxCode=699,e.events=["rejected","failed"],this.reply(e)},t.prototype.reply=function(e){var t=this;void 0===e&&(e={});var r=e.statusCode||100,i=e.minCode||100,n=e.maxCode||699,s=c.Utils.getReasonPhrase(r,e.reasonPhrase),a=e.extraHeaders||[],u=e.body?o.fromBodyLegacy(e.body):void 0,d=e.events||[];if(r<i||r>n)throw new TypeError("Invalid statusCode: "+r);var p,l={statusCode:r,reasonPhrase:s,extraHeaders:a,body:u},h=r.toString();switch(!0){case/^100$/.test(h):p=this.incomingRequest.trying(l).message;break;case/^1[0-9]{2}$/.test(h):p=this.incomingRequest.progress(l).message;break;case/^2[0-9]{2}$/.test(h):p=this.incomingRequest.accept(l).message;break;case/^3[0-9]{2}$/.test(h):p=this.incomingRequest.redirect([],l).message;break;case/^[4-6][0-9]{2}$/.test(h):p=this.incomingRequest.reject(l).message;break;default:throw new Error("Invalid status code "+r)}return d.forEach((function(e){t.emit(e,p,s)})),this},t.prototype.onRequestTimeout=function(){this.emit("failed",void 0,s.C.causes.REQUEST_TIMEOUT)},t.prototype.onTransportError=function(){this.emit("failed",void 0,s.C.causes.CONNECTION_ERROR)},t}(n.EventEmitter);t.ServerContext=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(52),o=r(8),a=r(12),c=r(9),u=i.__importStar(r(87)),d=r(97),p=function(e){function t(t,r,i){var n=e.call(this)||this;return n.type=o.TypeStrings.SessionDescriptionHandler,n.options=i||{},n.logger=t,n.observer=r,n.dtmfSender=void 0,n.shouldAcquireMedia=!0,n.CONTENT_TYPE="application/sdp",n.C={DIRECTION:{NULL:null,SENDRECV:"sendrecv",SENDONLY:"sendonly",RECVONLY:"recvonly",INACTIVE:"inactive"}},n.logger.log("SessionDescriptionHandlerOptions: "+JSON.stringify(n.options)),n.direction=n.C.DIRECTION.NULL,n.modifiers=n.options.modifiers||[],Array.isArray(n.modifiers)||(n.modifiers=[n.modifiers]),n.iceGatheringTimeout=!1,n.initPeerConnection(n.options.peerConnectionOptions),n.constraints=n.checkAndDefaultConstraints(n.options.constraints),n}return i.__extends(t,e),t.defaultFactory=function(e,r){return new t(e instanceof s.Session?e.userAgent.getLogger("sip.sessionDescriptionHandler",e.id):e.ua.getLogger("sip.invitecontext.sessionDescriptionHandler",e.id),new d.SessionDescriptionHandlerObserver(e,r),r)},t.prototype.close=function(){this.logger.log("closing PeerConnection"),this.peerConnection&&"closed"!==this.peerConnection.signalingState&&(this.peerConnection.getSenders?this.peerConnection.getSenders().forEach((function(e){e.track&&e.track.stop()})):(this.logger.warn("Using getLocalStreams which is deprecated"),this.peerConnection.getLocalStreams().forEach((function(e){e.getTracks().forEach((function(e){e.stop()}))}))),this.peerConnection.getReceivers?this.peerConnection.getReceivers().forEach((function(e){e.track&&e.track.stop()})):(this.logger.warn("Using getRemoteStreams which is deprecated"),this.peerConnection.getRemoteStreams().forEach((function(e){e.getTracks().forEach((function(e){e.stop()}))}))),this.resetIceGatheringComplete(),this.peerConnection.close())},t.prototype.getDescription=function(e,t){var r=this;void 0===e&&(e={}),void 0===t&&(t=[]),e.peerConnectionOptions&&this.initPeerConnection(e.peerConnectionOptions);var i=Object.assign({},this.constraints,e.constraints);return i=this.checkAndDefaultConstraints(i),JSON.stringify(i)!==JSON.stringify(this.constraints)&&(this.constraints=i,this.shouldAcquireMedia=!0),Array.isArray(t)||(t=[t]),t=t.concat(this.modifiers),Promise.resolve().then((function(){if(r.shouldAcquireMedia)return r.acquire(r.constraints).then((function(){r.shouldAcquireMedia=!1}))})).then((function(){return r.createOfferOrAnswer(e.RTCOfferOptions,t)})).then((function(e){if(void 0===e.sdp)throw new a.Exceptions.SessionDescriptionHandlerError("getDescription",void 0,"SDP undefined");return r.emit("getDescription",e),{body:e.sdp,contentType:r.CONTENT_TYPE}}))},t.prototype.hasDescription=function(e){return e===this.CONTENT_TYPE},t.prototype.holdModifier=function(e){return e.sdp?(/a=(sendrecv|sendonly|recvonly|inactive)/.test(e.sdp)?(e.sdp=e.sdp.replace(/a=sendrecv\r\n/g,"a=sendonly\r\n"),e.sdp=e.sdp.replace(/a=recvonly\r\n/g,"a=inactive\r\n")):e.sdp=e.sdp.replace(/(m=[^\r]*\r\n)/g,"$1a=sendonly\r\n"),Promise.resolve(e)):Promise.resolve(e)},t.prototype.setDescription=function(e,t,r){var i=this;void 0===t&&(t={}),void 0===r&&(r=[]),t.peerConnectionOptions&&this.initPeerConnection(t.peerConnectionOptions),Array.isArray(r)||(r=[r]),r=r.concat(this.modifiers);var n={type:this.hasOffer("local")?"answer":"offer",sdp:e};return Promise.resolve().then((function(){if(i.shouldAcquireMedia&&i.options.alwaysAcquireMediaFirst)return i.acquire(i.constraints).then((function(){i.shouldAcquireMedia=!1}))})).then((function(){return c.Utils.reducePromises(r,n)})).catch((function(e){if(e.type===o.TypeStrings.SessionDescriptionHandlerError)throw e;var t=new a.Exceptions.SessionDescriptionHandlerError("setDescription",e,"The modifiers did not resolve successfully");throw i.logger.error(t.message),i.emit("peerConnection-setRemoteDescriptionFailed",t),t})).then((function(e){return i.emit("setDescription",e),i.peerConnection.setRemoteDescription(e)})).catch((function(n){if(n.type===o.TypeStrings.SessionDescriptionHandlerError)throw n;if(/^m=video.+$/gm.test(e)&&!t.disableAudioFallback)return t.disableAudioFallback=!0,i.setDescription(e,t,[u.stripVideo].concat(r));var s=new a.Exceptions.SessionDescriptionHandlerError("setDescription",n);throw s.error&&i.logger.error(s.error),i.emit("peerConnection-setRemoteDescriptionFailed",s),s})).then((function(){i.peerConnection.getReceivers?i.emit("setRemoteDescription",i.peerConnection.getReceivers()):i.emit("setRemoteDescription",i.peerConnection.getRemoteStreams()),i.emit("confirmed",i)}))},t.prototype.sendDtmf=function(e,t){if(void 0===t&&(t={}),!this.dtmfSender&&this.hasBrowserGetSenderSupport()){var r=this.peerConnection.getSenders();r.length>0&&(this.dtmfSender=r[0].dtmf)}if(!this.dtmfSender&&this.hasBrowserTrackSupport()){var i=this.peerConnection.getLocalStreams();if(i.length>0){var n=i[0].getAudioTracks();n.length>0&&(this.dtmfSender=this.peerConnection.createDTMFSender(n[0]))}}if(!this.dtmfSender)return!1;try{this.dtmfSender.insertDTMF(e,t.duration,t.interToneGap)}catch(e){if("InvalidStateError"===e.type||"InvalidCharacterError"===e.type)return this.logger.error(e),!1;throw e}return this.logger.log("DTMF sent via RTP: "+e.toString()),!0},t.prototype.getDirection=function(){return this.direction},t.prototype.on=function(t,r){return e.prototype.on.call(this,t,r)},t.prototype.getMediaStream=function(e){return navigator.mediaDevices.getUserMedia(e)},t.prototype.createOfferOrAnswer=function(e,t){var r=this;void 0===e&&(e={}),void 0===t&&(t=[]);var i=this.hasOffer("remote")?"createAnswer":"createOffer",n=this.peerConnection;return this.logger.log(i),(this.hasOffer("remote")?n.createAnswer:n.createOffer).apply(n,e).catch((function(e){if(e.type===o.TypeStrings.SessionDescriptionHandlerError)throw e;var t=new a.Exceptions.SessionDescriptionHandlerError("createOfferOrAnswer",e,"peerConnection-"+i+"Failed");throw r.emit("peerConnection-"+i+"Failed",t),t})).then((function(e){return c.Utils.reducePromises(t,r.createRTCSessionDescriptionInit(e))})).then((function(e){return r.resetIceGatheringComplete(),r.logger.log("Setting local sdp."),r.logger.log("sdp is "+e.sdp||!1),n.setLocalDescription(e)})).catch((function(e){if(e.type===o.TypeStrings.SessionDescriptionHandlerError)throw e;var t=new a.Exceptions.SessionDescriptionHandlerError("createOfferOrAnswer",e,"peerConnection-SetLocalDescriptionFailed");throw r.emit("peerConnection-SetLocalDescriptionFailed",t),t})).then((function(){return r.waitForIceGatheringComplete()})).then((function(){if(!r.peerConnection.localDescription)throw new a.Exceptions.SessionDescriptionHandlerError("Missing local description");var e=r.createRTCSessionDescriptionInit(r.peerConnection.localDescription);return c.Utils.reducePromises(t,e)})).then((function(e){return r.setDirection(e.sdp||""),e})).catch((function(e){if(e.type===o.TypeStrings.SessionDescriptionHandlerError)throw e;var t=new a.Exceptions.SessionDescriptionHandlerError("createOfferOrAnswer",e);throw r.logger.error(t.toString()),t}))},t.prototype.createRTCSessionDescriptionInit=function(e){return{type:e.type,sdp:e.sdp}},t.prototype.addDefaultIceCheckingTimeout=function(e){return void 0===e.iceCheckingTimeout&&(e.iceCheckingTimeout=5e3),e},t.prototype.addDefaultIceServers=function(e){return e.iceServers||(e.iceServers=[{urls:"stun:stun.l.google.com:19302"}]),e},t.prototype.checkAndDefaultConstraints=function(e){var t={audio:!0,video:!this.options.alwaysAcquireMediaFirst};return e=e||t,0===Object.keys(e).length&&e.constructor===Object?t:e},t.prototype.hasBrowserTrackSupport=function(){return Boolean(this.peerConnection.addTrack)},t.prototype.hasBrowserGetSenderSupport=function(){return Boolean(this.peerConnection.getSenders)},t.prototype.initPeerConnection=function(e){var t=this;void 0===e&&(e={}),(e=this.addDefaultIceCheckingTimeout(e)).rtcConfiguration=e.rtcConfiguration||{},e.rtcConfiguration=this.addDefaultIceServers(e.rtcConfiguration),this.logger.log("initPeerConnection"),this.peerConnection&&(this.logger.log("Already have a peer connection for this session. Tearing down."),this.resetIceGatheringComplete(),this.peerConnection.close()),this.peerConnection=new RTCPeerConnection(e.rtcConfiguration),this.logger.log("New peer connection created"),"ontrack"in this.peerConnection?this.peerConnection.addEventListener("track",(function(e){t.logger.log("track added"),t.observer.trackAdded(),t.emit("addTrack",e)})):(this.logger.warn("Using onaddstream which is deprecated"),this.peerConnection.onaddstream=function(e){t.logger.log("stream added"),t.emit("addStream",e)}),this.peerConnection.onicecandidate=function(e){t.emit("iceCandidate",e),e.candidate?t.logger.log("ICE candidate received: "+(null===e.candidate.candidate?null:e.candidate.candidate.trim())):null===e.candidate&&(t.logger.log("ICE candidate gathering complete"),t.triggerIceGatheringComplete())},this.peerConnection.onicegatheringstatechange=function(){switch(t.logger.log("RTCIceGatheringState changed: "+t.peerConnection.iceGatheringState),t.peerConnection.iceGatheringState){case"gathering":t.emit("iceGathering",t),!t.iceGatheringTimer&&e.iceCheckingTimeout&&(t.iceGatheringTimeout=!1,t.iceGatheringTimer=setTimeout((function(){t.logger.log("RTCIceChecking Timeout Triggered after "+e.iceCheckingTimeout+" milliseconds"),t.iceGatheringTimeout=!0,t.triggerIceGatheringComplete()}),e.iceCheckingTimeout));break;case"complete":t.triggerIceGatheringComplete()}},this.peerConnection.oniceconnectionstatechange=function(){var e;switch(t.peerConnection.iceConnectionState){case"new":e="iceConnection";break;case"checking":e="iceConnectionChecking";break;case"connected":e="iceConnectionConnected";break;case"completed":e="iceConnectionCompleted";break;case"failed":e="iceConnectionFailed";break;case"disconnected":e="iceConnectionDisconnected";break;case"closed":e="iceConnectionClosed";break;default:return void t.logger.warn("Unknown iceConnection state: "+t.peerConnection.iceConnectionState)}t.logger.log("ICE Connection State changed to "+e),t.emit(e,t)}},t.prototype.acquire=function(e){var t=this;return e=this.checkAndDefaultConstraints(e),new Promise((function(r,i){t.logger.log("acquiring local media"),t.emit("userMediaRequest",e),e.audio||e.video?t.getMediaStream(e).then((function(e){t.observer.trackAdded(),t.emit("userMedia",e),r(e)})).catch((function(e){t.emit("userMediaFailed",e),i(e)})):r([])})).catch((function(e){if(e.type===o.TypeStrings.SessionDescriptionHandlerError)throw e;var r=new a.Exceptions.SessionDescriptionHandlerError("acquire",e,"unable to acquire streams");throw t.logger.error(r.message),r.error&&t.logger.error(r.error),r})).then((function(e){return t.logger.log("acquired local media streams"),t.peerConnection.removeTrack&&t.peerConnection.getSenders().forEach((function(e){t.peerConnection.removeTrack(e)})),e})).catch((function(e){if(e.type===o.TypeStrings.SessionDescriptionHandlerError)throw e;var r=new a.Exceptions.SessionDescriptionHandlerError("acquire",e,"error removing streams");throw t.logger.error(r.message),r.error&&t.logger.error(r.error),r})).then((function(e){return[].concat(e).forEach((function(e){t.peerConnection.addTrack?e.getTracks().forEach((function(r){t.peerConnection.addTrack(r,e)})):t.peerConnection.addStream(e)})),Promise.resolve()})).catch((function(e){if(e.type===o.TypeStrings.SessionDescriptionHandlerError)throw e;var r=new a.Exceptions.SessionDescriptionHandlerError("acquire",e,"error adding stream");throw t.logger.error(r.message),r.error&&t.logger.error(r.error),r}))},t.prototype.hasOffer=function(e){var t="have-"+e+"-offer";return this.peerConnection.signalingState===t},t.prototype.isIceGatheringComplete=function(){return"complete"===this.peerConnection.iceGatheringState||this.iceGatheringTimeout},t.prototype.resetIceGatheringComplete=function(){this.iceGatheringTimeout=!1,this.logger.log("resetIceGatheringComplete"),this.iceGatheringTimer&&(clearTimeout(this.iceGatheringTimer),this.iceGatheringTimer=void 0),this.iceGatheringDeferred&&(this.iceGatheringDeferred.reject(),this.iceGatheringDeferred=void 0)},t.prototype.setDirection=function(e){var t=e.match(/a=(sendrecv|sendonly|recvonly|inactive)/);if(null===t)return this.direction=this.C.DIRECTION.NULL,void this.observer.directionChanged();var r=t[1];switch(r){case this.C.DIRECTION.SENDRECV:case this.C.DIRECTION.SENDONLY:case this.C.DIRECTION.RECVONLY:case this.C.DIRECTION.INACTIVE:this.direction=r;break;default:this.direction=this.C.DIRECTION.NULL}this.observer.directionChanged()},t.prototype.triggerIceGatheringComplete=function(){this.isIceGatheringComplete()&&(this.emit("iceGatheringComplete",this),this.iceGatheringTimer&&(clearTimeout(this.iceGatheringTimer),this.iceGatheringTimer=void 0),this.iceGatheringDeferred&&(this.iceGatheringDeferred.resolve(),this.iceGatheringDeferred=void 0))},t.prototype.waitForIceGatheringComplete=function(){return this.logger.log("waitForIceGatheringComplete"),this.isIceGatheringComplete()?(this.logger.log("ICE is already complete. Return resolved."),Promise.resolve()):(this.iceGatheringDeferred||(this.iceGatheringDeferred=c.Utils.defer()),this.logger.log("ICE is not complete. Returning promise"),this.iceGatheringDeferred?this.iceGatheringDeferred.promise:Promise.resolve())},t}(n.EventEmitter);t.SessionDescriptionHandler=p},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(e){this.incomingInfoRequest=e}return Object.defineProperty(e.prototype,"request",{get:function(){return this.incomingInfoRequest.message},enumerable:!0,configurable:!0}),e.prototype.accept=function(e){return this.incomingInfoRequest.accept(e),Promise.resolve()},e.prototype.reject=function(e){return this.incomingInfoRequest.reject(e),Promise.resolve()},e}();t.Info=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(5),n=function(){function e(e,t){this.incomingReferRequest=e,this.session=t}return Object.defineProperty(e.prototype,"referTo",{get:function(){var e=this.incomingReferRequest.message.parseHeader("refer-to");if(!(e instanceof i.NameAddrHeader))throw new Error("Failed to parse Refer-To header.");return e},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"referredBy",{get:function(){return this.incomingReferRequest.message.getHeader("referred-by")},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"replaces",{get:function(){return this.referTo.uri.getHeader("replaces")},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"request",{get:function(){return this.incomingReferRequest.message},enumerable:!0,configurable:!0}),e.prototype.accept=function(e){return void 0===e&&(e={statusCode:202}),this.incomingReferRequest.accept(e),Promise.resolve()},e.prototype.reject=function(e){return this.incomingReferRequest.reject(e),Promise.resolve()},e.prototype.makeInviter=function(e){if(this.inviter)return this.inviter;var t=this.referTo.uri.clone();t.clearHeaders();var r=((e=e||{}).extraHeaders||[]).slice(),i=this.replaces;i&&r.push("Replaces: "+decodeURIComponent(i));var n=this.referredBy;return n&&r.push("Referred-By: "+n),e.extraHeaders=r,this.inviter=this.session.userAgent.makeInviter(t,e),this.inviter.referred=this.session,this.session.referral=this.inviter,this.inviter},e}();t.Referral=n},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i,n=r(0),s=r(5),o=r(8),a=r(12),c=r(9);!function(e){e[e.STATUS_CONNECTING=0]="STATUS_CONNECTING",e[e.STATUS_OPEN=1]="STATUS_OPEN",e[e.STATUS_CLOSING=2]="STATUS_CLOSING",e[e.STATUS_CLOSED=3]="STATUS_CLOSED"}(i=t.TransportStatus||(t.TransportStatus={}));var u=function(e){function t(t,r){void 0===r&&(r={});var n=e.call(this,t)||this;return n.type=o.TypeStrings.Transport,n.reconnectionAttempts=0,n.status=i.STATUS_CONNECTING,n.configuration=n.loadConfig(r),n.server=n.configuration.wsServers[0],n}return n.__extends(t,e),t.prototype.isConnected=function(){return this.status===i.STATUS_OPEN},t.prototype.sendPromise=function(e,t){if(void 0===t&&(t={}),void 0===this.ws)return this.onError("unable to send message - WebSocket undefined"),Promise.reject(new Error("WebSocket undefined."));if(!this.statusAssert(i.STATUS_OPEN,t.force))return this.onError("unable to send message - WebSocket not open"),Promise.reject(new Error("WebSocket not open."));!0===this.configuration.traceSip&&this.logger.log("sending WebSocket message:\n\n"+e+"\n");try{this.ws.send(e)}catch(e){return e instanceof e&&Promise.reject(e),Promise.reject(new Error("Failed to send message."))}return Promise.resolve({msg:e})},t.prototype.disconnectPromise=function(e){var t=this;return void 0===e&&(e={}),this.disconnectionPromise?this.disconnectionPromise:(e.code=e.code||1e3,this.statusTransition(i.STATUS_CLOSING,e.force)?(this.emit("disconnecting"),this.disconnectionPromise=new Promise((function(r,i){t.disconnectDeferredResolve=r,t.reconnectTimer&&(clearTimeout(t.reconnectTimer),t.reconnectTimer=void 0),t.ws?(t.stopSendingKeepAlives(),t.logger.log("closing WebSocket "+t.server.wsUri),t.ws.close(e.code,e.reason)):i("Attempted to disconnect but the websocket doesn't exist")})),this.disconnectionPromise):this.status===i.STATUS_CLOSED?Promise.resolve({overrideEvent:!0}):this.connectionPromise?this.connectionPromise.then((function(){return Promise.reject("The websocket did not disconnect")})).catch((function(){return Promise.resolve({overrideEvent:!0})})):Promise.reject("The websocket did not disconnect"))},t.prototype.connectPromise=function(e){var t=this;return void 0===e&&(e={}),this.status!==i.STATUS_CLOSING||e.force?this.connectionPromise?this.connectionPromise:(this.server=this.server||this.getNextWsServer(e.force),this.connectionPromise=new Promise((function(r,n){if((t.status===i.STATUS_OPEN||t.status===i.STATUS_CLOSING)&&!e.force)return t.logger.warn("WebSocket "+t.server.wsUri+" is already connected"),void n("Failed status check - attempted to open a connection but already open/closing");t.connectDeferredResolve=r,t.connectDeferredReject=n,t.status=i.STATUS_CONNECTING,t.emit("connecting"),t.logger.log("connecting to WebSocket "+t.server.wsUri),t.disposeWs();try{t.ws=new WebSocket(t.server.wsUri,"sip")}catch(e){return t.ws=void 0,t.statusTransition(i.STATUS_CLOSED,!0),t.onError("error connecting to WebSocket "+t.server.wsUri+":"+e),n("Failed to create a websocket"),t.connectDeferredResolve=void 0,void(t.connectDeferredReject=void 0)}if(!t.ws)return n("Unexpected instance websocket not set"),t.connectDeferredResolve=void 0,void(t.connectDeferredReject=void 0);t.connectionTimeout=setTimeout((function(){t.statusTransition(i.STATUS_CLOSED),t.logger.warn("took too long to connect - exceeded time set in configuration.connectionTimeout: "+t.configuration.connectionTimeout+"s"),t.emit("disconnected",{code:1e3}),t.connectionPromise=void 0,n("Connection timeout"),t.connectDeferredResolve=void 0,t.connectDeferredReject=void 0;var e=t.ws;t.disposeWs(),e&&e.close(1e3)}),1e3*t.configuration.connectionTimeout),t.boundOnOpen=t.onOpen.bind(t),t.boundOnMessage=t.onMessage.bind(t),t.boundOnClose=t.onClose.bind(t),t.boundOnError=t.onWebsocketError.bind(t),t.ws.addEventListener("open",t.boundOnOpen),t.ws.addEventListener("message",t.boundOnMessage),t.ws.addEventListener("close",t.boundOnClose),t.ws.addEventListener("error",t.boundOnError)})),this.connectionPromise):Promise.reject("WebSocket "+this.server.wsUri+" is closing")},t.prototype.onMessage=function(e){var t,r=e.data;if(/^(\r\n)+$/.test(r))return this.clearKeepAliveTimeout(),void(!0===this.configuration.traceSip&&this.logger.log("received WebSocket message with CRLF Keep Alive response"));if(r){if("string"!=typeof r){try{t=String.fromCharCode.apply(null,new Uint8Array(r))}catch(e){return void this.logger.warn("received WebSocket binary message failed to be converted into string, message discarded")}!0===this.configuration.traceSip&&this.logger.log("received WebSocket binary message:\n\n"+r+"\n")}else!0===this.configuration.traceSip&&this.logger.log("received WebSocket text message:\n\n"+r+"\n"),t=r;this.emit("message",t)}else this.logger.warn("received empty message, message discarded")},t.prototype.onOpen=function(){if(this.status===i.STATUS_CLOSED){var e=this.ws;return this.disposeWs(),void(e&&e.close(1e3))}this.statusTransition(i.STATUS_OPEN,!0),this.emit("connected"),this.connectionTimeout&&(clearTimeout(this.connectionTimeout),this.connectionTimeout=void 0),this.logger.log("WebSocket "+this.server.wsUri+" connected"),void 0!==this.reconnectTimer&&(clearTimeout(this.reconnectTimer),this.reconnectTimer=void 0),this.reconnectionAttempts=0,this.disconnectionPromise=void 0,this.disconnectDeferredResolve=void 0,this.startSendingKeepAlives(),this.connectDeferredResolve?(this.connectDeferredResolve({overrideEvent:!0}),this.connectDeferredResolve=void 0,this.connectDeferredReject=void 0):this.logger.warn("Unexpected websocket.onOpen with no connectDeferredResolve")},t.prototype.onClose=function(e){if(this.logger.log("WebSocket disconnected (code: "+e.code+(e.reason?"| reason: "+e.reason:"")+")"),this.status!==i.STATUS_CLOSING&&(this.logger.warn("WebSocket closed without SIP.js requesting it"),this.emit("transportError")),this.stopSendingKeepAlives(),this.connectionTimeout&&clearTimeout(this.connectionTimeout),this.connectDeferredReject&&this.connectDeferredReject("Websocket Closed"),this.connectionTimeout=void 0,this.connectionPromise=void 0,this.connectDeferredResolve=void 0,this.connectDeferredReject=void 0,this.disconnectDeferredResolve)return this.disconnectDeferredResolve({overrideEvent:!0}),this.statusTransition(i.STATUS_CLOSED),void(this.disconnectDeferredResolve=void 0);this.statusTransition(i.STATUS_CLOSED,!0),this.emit("disconnected",{code:e.code,reason:e.reason}),this.disposeWs(),this.reconnect()},t.prototype.disposeWs=function(){this.ws&&(this.ws.removeEventListener("open",this.boundOnOpen),this.ws.removeEventListener("message",this.boundOnMessage),this.ws.removeEventListener("close",this.boundOnClose),this.ws.removeEventListener("error",this.boundOnError),this.ws=void 0)},t.prototype.onError=function(e){this.logger.warn("Transport error: "+e),this.emit("transportError")},t.prototype.onWebsocketError=function(){this.onError("The Websocket had an error")},t.prototype.reconnect=function(){var e=this;if(this.reconnectionAttempts>0&&this.logger.log("Reconnection attempt "+this.reconnectionAttempts+" failed"),this.noAvailableServers())return this.logger.warn("attempted to get next ws server but there are no available ws servers left"),this.logger.warn("no available ws servers left - going to closed state"),this.statusTransition(i.STATUS_CLOSED,!0),this.emit("closed"),void this.resetServerErrorStatus();this.isConnected()&&(this.logger.warn("attempted to reconnect while connected - forcing disconnect"),this.disconnect({force:!0})),this.reconnectionAttempts+=1,this.reconnectionAttempts>this.configuration.maxReconnectionAttempts?(this.logger.warn("maximum reconnection attempts for WebSocket "+this.server.wsUri),this.logger.log("transport "+this.server.wsUri+" failed | connection state set to 'error'"),this.server.isError=!0,this.emit("transportError"),this.noAvailableServers()||(this.server=this.getNextWsServer()),this.reconnectionAttempts=0,this.reconnect()):(this.logger.log("trying to reconnect to WebSocket "+this.server.wsUri+" (reconnection attempt "+this.reconnectionAttempts+")"),this.reconnectTimer=setTimeout((function(){e.connect(),e.reconnectTimer=void 0}),1===this.reconnectionAttempts?0:1e3*this.configuration.reconnectionTimeout))},t.prototype.resetServerErrorStatus=function(){for(var e=0,t=this.configuration.wsServers;e<t.length;e++){t[e].isError=!1}},t.prototype.getNextWsServer=function(e){if(void 0===e&&(e=!1),this.noAvailableServers())throw this.logger.warn("attempted to get next ws server but there are no available ws servers left"),new Error("Attempted to get next ws server, but there are no available ws servers left.");for(var t=[],r=0,i=this.configuration.wsServers;r<i.length;r++){var n=i[r];n.isError&&!e||(0===t.length?t.push(n):n.weight>t[0].weight?t=[n]:n.weight===t[0].weight&&t.push(n))}return t[Math.floor(Math.random()*t.length)]},t.prototype.noAvailableServers=function(){for(var e=0,t=this.configuration.wsServers;e<t.length;e++){if(!t[e].isError)return!1}return!0},t.prototype.sendKeepAlive=function(){var e=this;if(!this.keepAliveDebounceTimeout)return this.keepAliveDebounceTimeout=setTimeout((function(){e.emit("keepAliveDebounceTimeout"),e.clearKeepAliveTimeout()}),1e3*this.configuration.keepAliveDebounce),this.send("\r\n\r\n")},t.prototype.clearKeepAliveTimeout=function(){this.keepAliveDebounceTimeout&&clearTimeout(this.keepAliveDebounceTimeout),this.keepAliveDebounceTimeout=void 0},t.prototype.startSendingKeepAlives=function(){var e,t,r=this;this.configuration.keepAliveInterval&&!this.keepAliveInterval&&(this.keepAliveInterval=setInterval((function(){r.sendKeepAlive(),r.startSendingKeepAlives()}),(e=this.configuration.keepAliveInterval,t=.8*e,1e3*(Math.random()*(e-t)+t))))},t.prototype.stopSendingKeepAlives=function(){this.keepAliveInterval&&clearInterval(this.keepAliveInterval),this.keepAliveDebounceTimeout&&clearTimeout(this.keepAliveDebounceTimeout),this.keepAliveInterval=void 0,this.keepAliveDebounceTimeout=void 0},t.prototype.statusAssert=function(e,t){return e===this.status||(t?(this.logger.warn("Attempted to assert "+Object.keys(i)[this.status]+" as "+Object.keys(i)[e]+"- continuing with option: 'force'"),!0):(this.logger.warn("Tried to assert "+Object.keys(i)[e]+" but is currently "+Object.keys(i)[this.status]),!1))},t.prototype.statusTransition=function(e,t){return void 0===t&&(t=!1),this.logger.log("Attempting to transition status from "+Object.keys(i)[this.status]+" to "+Object.keys(i)[e]),e===i.STATUS_CONNECTING&&this.statusAssert(i.STATUS_CLOSED,t)||e===i.STATUS_OPEN&&this.statusAssert(i.STATUS_CONNECTING,t)||e===i.STATUS_CLOSING&&this.statusAssert(i.STATUS_OPEN,t)||e===i.STATUS_CLOSED?(this.status=e,!0):(this.logger.warn("Status transition failed - result: no-op - reason: either gave an nonexistent status or attempted illegal transition"),!1)},t.prototype.loadConfig=function(e){var t={wsServers:[{scheme:"WSS",sipUri:"<sip:edge.sip.onsip.com;transport=ws;lr>",weight:0,wsUri:"wss://edge.sip.onsip.com",isError:!1}],connectionTimeout:5,maxReconnectionAttempts:3,reconnectionTimeout:4,keepAliveInterval:0,keepAliveDebounce:10,traceSip:!1},r=this.getConfigurationCheck();for(var i in r.mandatory){if(!e.hasOwnProperty(i))throw new a.Exceptions.ConfigurationError(i);var n=e[i];if(void 0===(s=r.mandatory[i](n)))throw new a.Exceptions.ConfigurationError(i,n);t[i]=s}for(var i in r.optional)if(e.hasOwnProperty(i)){var s;if((n=e[i])instanceof Array&&0===n.length||null===n||""===n||void 0===n||"number"==typeof n&&isNaN(n))continue;if(void 0===(s=r.optional[i](n)))throw new a.Exceptions.ConfigurationError(i,n);t[i]=s}var o={};for(var i in t)t.hasOwnProperty(i)&&(o[i]={value:t[i]});var c=Object.defineProperties({},o);for(var i in this.logger.log("configuration parameters after validation:"),t)t.hasOwnProperty(i)&&this.logger.log("\xb7 "+i+": "+JSON.stringify(t[i]));return c},t.prototype.getConfigurationCheck=function(){return{mandatory:{},optional:{wsServers:function(e){if("string"==typeof e)e=[{wsUri:e}];else{if(!(e instanceof Array))return;for(var t=0;t<e.length;t++)"string"==typeof e[t]&&(e[t]={wsUri:e[t]})}if(0===e.length)return!1;for(var r=0,i=e;r<i.length;r++){var n=i[r];if(!n.wsUri)return;if(n.weight&&!Number(n.weight))return;var o=s.Grammar.parse(n.wsUri,"absoluteURI");if(-1===o)return;if(["wss","ws","udp"].indexOf(o.scheme)<0)return;n.sipUri="<sip:"+o.host+(o.port?":"+o.port:"")+";transport="+o.scheme.replace(/^wss$/i,"ws")+";lr>",n.weight||(n.weight=0),n.isError=!1,n.scheme=o.scheme.toUpperCase()}return e},keepAliveInterval:function(e){if(c.Utils.isDecimal(e)){var t=Number(e);if(t>0)return t}},keepAliveDebounce:function(e){if(c.Utils.isDecimal(e)){var t=Number(e);if(t>0)return t}},traceSip:function(e){if("boolean"==typeof e)return e},connectionTimeout:function(e){if(c.Utils.isDecimal(e)){var t=Number(e);if(t>0)return t}},maxReconnectionAttempts:function(e){if(c.Utils.isDecimal(e)){var t=Number(e);if(t>=0)return t}},reconnectionTimeout:function(e){if(c.Utils.isDecimal(e)){var t=Number(e);if(t>0)return t}}}}},t.C=i,t}(s.Transport);t.Transport=u},,function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(51),s=r(11),o=r(5),a=r(8),c=r(12),u=r(90),d=function(e){function t(t,r,i,n){void 0===n&&(n={});var o=this;if(void 0===t||void 0===r||void 0===i)throw new TypeError("Not enough arguments");return(o=e.call(this,t,s.C.REFER,r.remoteIdentity.uri.toString(),n)||this).type=a.TypeStrings.ReferClientContext,o.options=n,o.extraHeaders=(o.options.extraHeaders||[]).slice(),o.applicant=r,o.target=o.initReferTo(i),o.ua&&o.extraHeaders.push("Referred-By: <"+o.ua.configuration.uri+">"),o.extraHeaders.push("Contact: "+r.contact),o.extraHeaders.push("Allow: "+["ACK","CANCEL","INVITE","MESSAGE","BYE","OPTIONS","INFO","NOTIFY","REFER"].toString()),o.extraHeaders.push("Refer-To: "+o.target),o.errorListener=o.onTransportError.bind(o),t.transport&&t.transport.on("transportError",o.errorListener),o}return i.__extends(t,e),t.prototype.refer=function(e){var t=this;void 0===e&&(e={});var r=(this.extraHeaders||[]).slice();return e.extraHeaders&&r.concat(e.extraHeaders),this.applicant.sendRequest(s.C.REFER,{extraHeaders:this.extraHeaders,receiveResponse:function(r){var i=r&&r.statusCode?r.statusCode.toString():"";/^1[0-9]{2}$/.test(i)?t.emit("referRequestProgress",t):/^2[0-9]{2}$/.test(i)?t.emit("referRequestAccepted",t):/^[4-6][0-9]{2}$/.test(i)&&t.emit("referRequestRejected",t),e.receiveResponse&&e.receiveResponse(r)}}),this},t.prototype.receiveNotify=function(e){var t=e.message.hasHeader("Content-Type")?e.message.getHeader("Content-Type"):void 0;if(t&&-1!==t.search(/^message\/sipfrag/)){var r=o.Grammar.parse(e.message.body,"sipfrag");if(-1===r)return void e.reject({statusCode:489,reasonPhrase:"Bad Event"});switch(!0){case/^1[0-9]{2}$/.test(r.status_code):this.emit("referProgress",this);break;case/^2[0-9]{2}$/.test(r.status_code):this.emit("referAccepted",this),!this.options.activeAfterTransfer&&this.applicant.terminate&&this.applicant.terminate();break;default:this.emit("referRejected",this)}return e.accept(),void this.emit("notify",e.message)}e.reject({statusCode:489,reasonPhrase:"Bad Event"})},t.prototype.initReferTo=function(e){var t;if("string"==typeof e){var r=o.Grammar.parse(e,"Refer_To");t=r&&r.uri?r.uri:e;var i=this.ua.normalizeTarget(e);if(!i)throw new TypeError("Invalid target: "+e);t=i}else{if(!e.session)throw new Error("Session undefined.");var n=e.remoteIdentity.friendlyName,s=e.session.remoteTarget.toString(),a=e.session.callId,c=e.session.remoteTag,u=e.session.localTag;t='"'+n+'" <'+s+"?Replaces="+encodeURIComponent(a+";to-tag="+c+";from-tag="+u)+">"}return t},t}(n.ClientContext);t.ReferClientContext=d;var p=function(e){function t(t,r,i){var n=e.call(this,t,r)||this;return n.session=i,n.type=a.TypeStrings.ReferServerContext,n.ua=t,n.status=a.SessionStatus.STATUS_INVITE_RECEIVED,n.fromTag=n.request.fromTag,n.id=n.request.callId+n.fromTag,n.contact=n.ua.contact.toString(),n.logger=t.getLogger("sip.referservercontext",n.id),n.cseq=Math.floor(1e4*Math.random()),n.callId=n.request.callId,n.fromUri=n.request.to.uri,n.fromTag=n.request.to.parameters.tag,n.remoteTarget=n.request.headers.Contact[0].parsed.uri,n.toUri=n.request.from.uri,n.toTag=n.request.fromTag,n.routeSet=n.request.getHeaders("record-route"),n.request.hasHeader("refer-to")?(n.referTo=n.request.parseHeader("refer-to"),n.referredSession=n.ua.findSession(n.request),n.request.hasHeader("referred-by")&&(n.referredBy=n.request.getHeader("referred-by")),n.referTo.uri.hasHeader("replaces")&&(n.replaces=n.referTo.uri.getHeader("replaces")),n.errorListener=n.onTransportError.bind(n),t.transport&&t.transport.on("transportError",n.errorListener),n.status=a.SessionStatus.STATUS_WAITING_FOR_ANSWER,n):(n.logger.warn("Invalid REFER packet. A refer-to header is required. Rejecting refer."),n.reject(),n)}return i.__extends(t,e),t.prototype.progress=function(){if(this.status!==a.SessionStatus.STATUS_WAITING_FOR_ANSWER)throw new c.Exceptions.InvalidStateError(this.status);this.incomingRequest.trying()},t.prototype.reject=function(t){if(void 0===t&&(t={}),this.status===a.SessionStatus.STATUS_TERMINATED)throw new c.Exceptions.InvalidStateError(this.status);this.logger.log("Rejecting refer"),this.status=a.SessionStatus.STATUS_TERMINATED,e.prototype.reject.call(this,t),this.emit("referRequestRejected",this)},t.prototype.accept=function(e,t){var r=this;if(void 0===e&&(e={}),this.status!==a.SessionStatus.STATUS_WAITING_FOR_ANSWER)throw new c.Exceptions.InvalidStateError(this.status);if(this.status=a.SessionStatus.STATUS_ANSWERED,this.incomingRequest.accept({statusCode:202,reasonPhrase:"Accepted"}),this.emit("referRequestAccepted",this),e.followRefer){this.logger.log("Accepted refer, attempting to automatically follow it");var i=this.referTo.uri;if(!i.scheme||!i.scheme.match("^sips?$"))return this.logger.error("SIP.js can only automatically follow SIP refer target"),void this.reject();var n=e.inviteOptions||{},s=(n.extraHeaders||[]).slice();if(this.replaces&&s.push("Replaces: "+decodeURIComponent(this.replaces)),this.referredBy&&s.push("Referred-By: "+this.referredBy),n.extraHeaders=s,i.clearHeaders(),this.targetSession=this.ua.invite(i.toString(),n,t),this.emit("referInviteSent",this),this.targetSession){this.targetSession.once("progress",(function(e){var t=e.statusCode||100,i=e.reasonPhrase;r.sendNotify(("SIP/2.0 "+t+" "+i).trim()),r.emit("referProgress",r),r.referredSession&&r.referredSession.emit("referProgress",r)})),this.targetSession.once("accepted",(function(){r.logger.log("Successfully followed the refer"),r.sendNotify("SIP/2.0 200 OK"),r.emit("referAccepted",r),r.referredSession&&r.referredSession.emit("referAccepted",r)}));var o=function(e){if(r.status!==a.SessionStatus.STATUS_TERMINATED){if(r.logger.log("Refer was not successful. Resuming session"),e&&429===e.statusCode)return r.logger.log("Alerting referrer that identity is required."),void r.sendNotify("SIP/2.0 429 Provide Referrer Identity");r.sendNotify("SIP/2.0 603 Declined"),r.status=a.SessionStatus.STATUS_TERMINATED,r.emit("referRejected",r),r.referredSession&&r.referredSession.emit("referRejected")}};this.targetSession.once("rejected",o),this.targetSession.once("failed",o)}}else this.logger.log("Accepted refer, but did not automatically follow it"),this.sendNotify("SIP/2.0 200 OK"),this.emit("referAccepted",this),this.referredSession&&this.referredSession.emit("referAccepted",this)},t.prototype.sendNotify=function(e){if(this.status!==a.SessionStatus.STATUS_ANSWERED)throw new c.Exceptions.InvalidStateError(this.status);if(-1===o.Grammar.parse(e,"sipfrag"))throw new Error("sipfrag body is required to send notify for refer");var t={contentDisposition:"render",contentType:"message/sipfrag",content:e};if(this.session)this.session.notify(void 0,{extraHeaders:["Event: refer","Subscription-State: terminated"],body:t});else{var r=this.ua.userAgentCore.makeOutgoingRequestMessage(s.C.NOTIFY,this.remoteTarget,this.fromUri,this.toUri,{cseq:this.cseq+=1,callId:this.callId,fromTag:this.fromTag,toTag:this.toTag,routeSet:this.routeSet},["Event: refer","Subscription-State: terminated","Content-Type: message/sipfrag"],t),i=this.ua.transport;if(!i)throw new Error("Transport undefined.");var n={loggerFactory:this.ua.getLoggerFactory()};new o.NonInviteClientTransaction(r,i,n)}},t.prototype.on=function(t,r){return e.prototype.on.call(this,t,r)},t}(u.ServerContext);t.ReferServerContext=p},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(8),n=function(){function e(e,t){this.type=i.TypeStrings.SessionDescriptionHandlerObserver,this.session=e,this.options=t}return e.prototype.trackAdded=function(){this.session.emit("trackAdded")},e.prototype.directionChanged=function(){this.session.emit("directionChanged")},e}();t.SessionDescriptionHandlerObserver=n},,,function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(51),s=r(11),o=r(5),a=r(8),c=r(12),u=r(9),d=function(e){function t(t,r,i,n){void 0===n&&(n={});var o=this;if(n.extraHeaders=(n.extraHeaders||[]).slice(),n.contentType=n.contentType||"text/plain","number"!=typeof n.expires||n.expires%1!=0?n.expires=3600:n.expires=Number(n.expires),"boolean"!=typeof n.unpublishOnClose&&(n.unpublishOnClose=!0),null==r||""===r)throw new c.Exceptions.MethodParameterError("Publish","Target",r);if(void 0===(r=t.normalizeTarget(r)))throw new c.Exceptions.MethodParameterError("Publish","Target",r);if((o=e.call(this,t,s.C.PUBLISH,r,n)||this).type=a.TypeStrings.PublishContext,o.options=n,o.target=r,null==i||""===i)throw new c.Exceptions.MethodParameterError("Publish","Event",i);return o.event=i,o.logger=t.getLogger("sip.publish"),o.pubRequestExpires=o.options.expires,o}return i.__extends(t,e),t.prototype.publish=function(e){this.publishRefreshTimer&&(clearTimeout(this.publishRefreshTimer),this.publishRefreshTimer=void 0),this.options.body=e,this.pubRequestBody=this.options.body,0===this.pubRequestExpires&&(this.pubRequestExpires=this.options.expires,this.pubRequestEtag=void 0),this.ua.publishers[this.target.toString()+":"+this.event]||(this.ua.publishers[this.target.toString()+":"+this.event]=this),this.sendPublishRequest()},t.prototype.unpublish=function(){this.publishRefreshTimer&&(clearTimeout(this.publishRefreshTimer),this.publishRefreshTimer=void 0),this.pubRequestBody=void 0,this.pubRequestExpires=0,void 0!==this.pubRequestEtag&&this.sendPublishRequest()},t.prototype.close=function(){this.options.unpublishOnClose?this.unpublish():(this.publishRefreshTimer&&(clearTimeout(this.publishRefreshTimer),this.publishRefreshTimer=void 0),this.pubRequestBody=void 0,this.pubRequestExpires=0,this.pubRequestEtag=void 0),this.ua.publishers[this.target.toString()+":"+this.event]&&delete this.ua.publishers[this.target.toString()+":"+this.event]},t.prototype.onRequestTimeout=function(){e.prototype.onRequestTimeout.call(this),this.emit("unpublished",void 0,s.C.causes.REQUEST_TIMEOUT)},t.prototype.onTransportError=function(){e.prototype.onTransportError.call(this),this.emit("unpublished",void 0,s.C.causes.CONNECTION_ERROR)},t.prototype.receiveResponse=function(e){var t=this,r=e.statusCode||0,i=u.Utils.getReasonPhrase(r);switch(!0){case/^1[0-9]{2}$/.test(r.toString()):this.emit("progress",e,i);break;case/^2[0-9]{2}$/.test(r.toString()):if(e.hasHeader("SIP-ETag")?this.pubRequestEtag=e.getHeader("SIP-ETag"):this.logger.warn("SIP-ETag header missing in a 200-class response to PUBLISH"),e.hasHeader("Expires")){var n=Number(e.getHeader("Expires"));"number"==typeof n&&n>=0&&n<=this.pubRequestExpires?this.pubRequestExpires=n:this.logger.warn("Bad Expires header in a 200-class response to PUBLISH")}else this.logger.warn("Expires header missing in a 200-class response to PUBLISH");0!==this.pubRequestExpires?(this.publishRefreshTimer=setTimeout((function(){return t.refreshRequest()}),900*this.pubRequestExpires),this.emit("published",e,i)):this.emit("unpublished",e,i);break;case/^412$/.test(r.toString()):void 0!==this.pubRequestEtag&&0!==this.pubRequestExpires?(this.logger.warn("412 response to PUBLISH, recovering"),this.pubRequestEtag=void 0,this.emit("progress",e,i),this.publish(this.options.body)):(this.logger.warn("412 response to PUBLISH, recovery failed"),this.pubRequestExpires=0,this.emit("failed",e,i),this.emit("unpublished",e,i));break;case/^423$/.test(r.toString()):if(0!==this.pubRequestExpires&&e.hasHeader("Min-Expires")){var s=Number(e.getHeader("Min-Expires"));"number"==typeof s||s>this.pubRequestExpires?(this.logger.warn("423 code in response to PUBLISH, adjusting the Expires value and trying to recover"),this.pubRequestExpires=s,this.emit("progress",e,i),this.publish(this.options.body)):(this.logger.warn("Bad 423 response Min-Expires header received for PUBLISH"),this.pubRequestExpires=0,this.emit("failed",e,i),this.emit("unpublished",e,i))}else this.logger.warn("423 response to PUBLISH, recovery failed"),this.pubRequestExpires=0,this.emit("failed",e,i),this.emit("unpublished",e,i);break;default:this.pubRequestExpires=0,this.emit("failed",e,i),this.emit("unpublished",e,i)}0===this.pubRequestExpires&&(this.publishRefreshTimer&&(clearTimeout(this.publishRefreshTimer),this.publishRefreshTimer=void 0),this.pubRequestBody=void 0,this.pubRequestEtag=void 0)},t.prototype.send=function(){var e=this;return this.ua.userAgentCore.publish(this.request,{onAccept:function(t){return e.receiveResponse(t.message)},onProgress:function(t){return e.receiveResponse(t.message)},onRedirect:function(t){return e.receiveResponse(t.message)},onReject:function(t){return e.receiveResponse(t.message)},onTrying:function(t){return e.receiveResponse(t.message)}}),this},t.prototype.refreshRequest=function(){if(this.publishRefreshTimer&&(clearTimeout(this.publishRefreshTimer),this.publishRefreshTimer=void 0),this.pubRequestBody=void 0,void 0===this.pubRequestEtag)throw new c.Exceptions.MethodParameterError("Publish","Body",void 0);if(0===this.pubRequestExpires)throw new c.Exceptions.MethodParameterError("Publish","Expire",this.pubRequestExpires);this.sendPublishRequest()},t.prototype.sendPublishRequest=function(){var e=Object.create(this.options||Object.prototype);e.extraHeaders=(this.options.extraHeaders||[]).slice(),e.extraHeaders.push("Event: "+this.event),e.extraHeaders.push("Expires: "+this.pubRequestExpires),void 0!==this.pubRequestEtag&&e.extraHeaders.push("SIP-If-Match: "+this.pubRequestEtag);var t=this.target instanceof o.URI?this.target:this.ua.normalizeTarget(this.target);if(!t)throw new Error("ruri undefined.");var r,i,n=this.options.params||{};void 0!==this.pubRequestBody&&(r={body:this.pubRequestBody,contentType:this.options.contentType}),r&&(i=u.Utils.fromBodyObj(r)),this.request=this.ua.userAgentCore.makeOutgoingRequestMessage(s.C.PUBLISH,t,n.fromUri?n.fromUri:this.ua.userAgentCore.configuration.aor,n.toUri?n.toUri:this.target,n,e.extraHeaders,i),this.send()},t}(n.ClientContext);t.PublishContext=d},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(51),s=r(11),o=r(5),a=r(8),c=r(12),u=r(9);function d(e){var t={expires:600,extraContactHeaderParams:[],instanceId:void 0,params:{},regId:void 0,registrar:void 0},r={mandatory:{},optional:{expires:function(e){if(u.Utils.isDecimal(e)){var t=Number(e);if(t>=0)return t}},extraContactHeaderParams:function(e){if(e instanceof Array)return e.filter((function(e){return"string"==typeof e}))},instanceId:function(e){if("string"==typeof e)return/^uuid:/i.test(e)&&(e=e.substr(5)),-1===o.Grammar.parse(e,"uuid")?void 0:e},params:function(e){if("object"==typeof e)return e},regId:function(e){if(u.Utils.isDecimal(e)){var t=Number(e);if(t>=0)return t}},registrar:function(e){if("string"==typeof e){/^sip:/i.test(e)||(e=s.C.SIP+":"+e);var t=o.Grammar.URIParse(e);return t?t.user?void 0:t:void 0}}}};for(var i in r.mandatory){if(!e.hasOwnProperty(i))throw new c.Exceptions.ConfigurationError(i);var n=e[i];if(void 0===(a=r.mandatory[i](n)))throw new c.Exceptions.ConfigurationError(i,n);t[i]=a}for(var i in r.optional)if(e.hasOwnProperty(i)){var a;if((n=e[i])instanceof Array&&0===n.length)continue;if(null===n||""===n||void 0===n||"number"==typeof n&&isNaN(n))continue;if(void 0===(a=r.optional[i](n)))throw new c.Exceptions.ConfigurationError(i,n);t[i]=a}return t}var p=function(e){function t(t,r){void 0===r&&(r={});var i=this,n=d(r);if(n.regId&&!n.instanceId?n.instanceId=u.Utils.newUUID():!n.regId&&n.instanceId&&(n.regId=1),n.params.toUri=n.params.toUri||t.configuration.uri,n.params.toDisplayName=n.params.toDisplayName||t.configuration.displayName,n.params.callId=n.params.callId||u.Utils.createRandomToken(22),n.params.cseq=n.params.cseq||Math.floor(1e4*Math.random()),!n.registrar){var o={};"object"==typeof t.configuration.uri?(o=t.configuration.uri.clone()).user=void 0:o=t.configuration.uri,n.registrar=o}for(var c in(i=e.call(this,t,s.C.REGISTER,n.registrar,n)||this).type=a.TypeStrings.RegisterContext,i.options=n,i.logger=t.getLogger("sip.registercontext"),i.logger.log("configuration parameters for RegisterContext after validation:"),n)n.hasOwnProperty(c)&&i.logger.log("\xb7 "+c+": "+JSON.stringify(n[c]));return i.expires=n.expires,i.contact=t.contact.toString(),i.registered=!1,t.transport.on("disconnected",(function(){return i.onTransportDisconnected()})),i}return i.__extends(t,e),t.prototype.register=function(e){var t=this;void 0===e&&(e={}),this.options=i.__assign(i.__assign({},this.options),e);var r=(this.options.extraHeaders||[]).slice();r.push("Contact: "+this.generateContactHeader(this.expires)),r.push("Allow: "+["ACK","CANCEL","INVITE","MESSAGE","BYE","OPTIONS","INFO","NOTIFY","REFER"].toString()),this.closeHeaders=this.options.closeWithHeaders?(this.options.extraHeaders||[]).slice():[],this.receiveResponse=function(e){if(e.cseq===t.request.cseq){void 0!==t.registrationTimer&&(clearTimeout(t.registrationTimer),t.registrationTimer=void 0);var r=(e.statusCode||0).toString();switch(!0){case/^1[0-9]{2}$/.test(r):t.emit("progress",e);break;case/^2[0-9]{2}$/.test(r):t.emit("accepted",e);var i=void 0;e.hasHeader("expires")&&(i=Number(e.getHeader("expires"))),void 0!==t.registrationExpiredTimer&&(clearTimeout(t.registrationExpiredTimer),t.registrationExpiredTimer=void 0);var n=e.getHeaders("contact").length;if(!n){t.logger.warn("no Contact header in response to REGISTER, response ignored");break}for(var a=void 0;n--;){if((a=e.parseHeader("contact",n)).uri.user===t.ua.contact.uri.user){i=a.getParam("expires");break}a=void 0}if(!a){t.logger.warn("no Contact header pointing to us, response ignored");break}void 0===i&&(i=t.expires),t.registrationTimer=setTimeout((function(){t.registrationTimer=void 0,t.register(t.options)}),1e3*i-3e3),t.registrationExpiredTimer=setTimeout((function(){t.logger.warn("registration expired"),t.registered&&t.unregistered(void 0,s.C.causes.EXPIRES)}),1e3*i),a.hasParam("temp-gruu")&&(t.ua.contact.tempGruu=o.Grammar.URIParse(a.getParam("temp-gruu").replace(/"/g,""))),a.hasParam("pub-gruu")&&(t.ua.contact.pubGruu=o.Grammar.URIParse(a.getParam("pub-gruu").replace(/"/g,""))),t.registered=!0,t.emit("registered",e||void 0);break;case/^423$/.test(r):e.hasHeader("min-expires")?(t.expires=Number(e.getHeader("min-expires")),t.register(t.options)):(t.logger.warn("423 response received for REGISTER without Min-Expires"),t.registrationFailure(e,s.C.causes.SIP_FAILURE_CODE));break;default:t.registrationFailure(e,u.Utils.sipErrorCause(e.statusCode||0))}}},this.onRequestTimeout=function(){t.registrationFailure(void 0,s.C.causes.REQUEST_TIMEOUT)},this.onTransportError=function(){t.registrationFailure(void 0,s.C.causes.CONNECTION_ERROR)},this.request.cseq++,this.request.setHeader("cseq",this.request.cseq+" REGISTER"),this.request.extraHeaders=r,this.send()},t.prototype.close=function(){var e={all:!1,extraHeaders:this.closeHeaders};this.registeredBefore=this.registered,this.registered&&this.unregister(e)},t.prototype.unregister=function(e){var t=this;void 0===e&&(e={}),this.registered||e.all||this.logger.warn("Already unregistered, but sending an unregister anyways.");var r=(e.extraHeaders||[]).slice();this.registered=!1,void 0!==this.registrationTimer&&(clearTimeout(this.registrationTimer),this.registrationTimer=void 0),e.all?(r.push("Contact: *"),r.push("Expires: 0")):r.push("Contact: "+this.generateContactHeader(0)),this.receiveResponse=function(e){var r=e&&e.statusCode?e.statusCode.toString():"";switch(!0){case/^1[0-9]{2}$/.test(r):t.emit("progress",e);break;case/^2[0-9]{2}$/.test(r):t.emit("accepted",e),void 0!==t.registrationExpiredTimer&&(clearTimeout(t.registrationExpiredTimer),t.registrationExpiredTimer=void 0),t.unregistered(e);break;default:t.unregistered(e,u.Utils.sipErrorCause(e.statusCode||0))}},this.onRequestTimeout=function(){},this.request.cseq++,this.request.setHeader("cseq",this.request.cseq+" REGISTER"),this.request.extraHeaders=r,this.send()},t.prototype.unregistered=function(e,t){this.registered=!1,this.emit("unregistered",e||void 0,t||void 0)},t.prototype.send=function(){var e=this;return this.ua.userAgentCore.register(this.request,{onAccept:function(t){return e.receiveResponse(t.message)},onProgress:function(t){return e.receiveResponse(t.message)},onRedirect:function(t){return e.receiveResponse(t.message)},onReject:function(t){return e.receiveResponse(t.message)},onTrying:function(t){return e.receiveResponse(t.message)}}),this},t.prototype.registrationFailure=function(e,t){this.emit("failed",e||void 0,t||void 0)},t.prototype.onTransportDisconnected=function(){this.registeredBefore=this.registered,void 0!==this.registrationTimer&&(clearTimeout(this.registrationTimer),this.registrationTimer=void 0),void 0!==this.registrationExpiredTimer&&(clearTimeout(this.registrationExpiredTimer),this.registrationExpiredTimer=void 0),this.registered&&this.unregistered(void 0,s.C.causes.CONNECTION_ERROR)},t.prototype.generateContactHeader=function(e){void 0===e&&(e=0);var t=this.contact;return this.options.regId&&this.options.instanceId&&(t+=";reg-id="+this.options.regId,t+=';+sip.instance="<urn:uuid:'+this.options.instanceId+'>"'),this.options.extraContactHeaderParams&&this.options.extraContactHeaderParams.forEach((function(e){t+=";"+e})),t+=";expires="+e},t}(n.ClientContext);t.RegisterContext=p},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(51),o=r(11),a=r(5),c=r(8),u=r(12),d=r(96),p=r(90),l=r(110),h=r(9),g=function(e){function t(r){var i=e.call(this)||this;if(i.data={},i.type=c.TypeStrings.Session,!r)throw new u.Exceptions.SessionDescriptionHandlerError("A session description handler is required for the session to function");return i.status=t.C.STATUS_NULL,i.pendingReinvite=!1,i.sessionDescriptionHandlerFactory=r,i.hasOffer=!1,i.hasAnswer=!1,i.timers={ackTimer:void 0,expiresTimer:void 0,invite2xxTimer:void 0,userNoAnswerTimer:void 0,rel1xxTimer:void 0,prackTimer:void 0},i.startTime=void 0,i.endTime=void 0,i.tones=void 0,i.localHold=!1,i.earlySdp=void 0,i.rel100=o.C.supported.UNSUPPORTED,i}return i.__extends(t,e),t.prototype.dtmf=function(e,t){var r=this;if(void 0===t&&(t={}),this.status!==c.SessionStatus.STATUS_CONFIRMED&&this.status!==c.SessionStatus.STATUS_WAITING_FOR_ACK)throw new u.Exceptions.InvalidStateError(this.status);if(!e||!e.toString().match(/^[0-9A-D#*,]+$/i))throw new TypeError("Invalid tones: "+e);var i=function(){if(r.status!==c.SessionStatus.STATUS_TERMINATED&&r.tones&&0!==r.tones.length){var e,n=r.tones.shift();","===n.tone?e=2e3:(n.on("failed",(function(){r.tones=void 0})),n.send(t),e=n.duration+n.interToneGap),setTimeout(i,e)}else r.tones=void 0};e=e.toString();var n=this.ua.configuration.dtmfType;this.sessionDescriptionHandler&&n===o.C.dtmfType.RTP&&(this.sessionDescriptionHandler.sendDtmf(e,t)||(this.logger.warn("Attempt to use dtmfType 'RTP' has failed, falling back to INFO packet method"),n=o.C.dtmfType.INFO));if(n===o.C.dtmfType.INFO){for(var s=[],a=e.split("");a.length>0;)s.push(new l.DTMF(this,a.shift(),t));if(this.tones)return this.tones=this.tones.concat(s),this;this.tones=s,i()}return this},t.prototype.bye=function(e){if(void 0===e&&(e={}),this.status===c.SessionStatus.STATUS_TERMINATED)return this.logger.error("Error: Attempted to send BYE in a terminated session."),this;this.logger.log("terminating Session");var t=e.statusCode;if(t&&(t<200||t>=700))throw new TypeError("Invalid statusCode: "+t);return e.receiveResponse=function(){},this.sendRequest(o.C.BYE,e).terminated()},t.prototype.refer=function(e,t){if(void 0===t&&(t={}),this.status!==c.SessionStatus.STATUS_CONFIRMED)throw new u.Exceptions.InvalidStateError(this.status);return this.referContext=new d.ReferClientContext(this.ua,this,e,t),this.emit("referRequested",this.referContext),this.referContext.refer(t),this.referContext},t.prototype.sendRequest=function(e,t){if(void 0===t&&(t={}),!this.session)throw new Error("Session undefined.");var r;t.body&&(t.body=h.Utils.fromBodyObj(t.body));var i,n=t.receiveResponse;n&&(r={onAccept:function(e){return n(e.message)},onProgress:function(e){return n(e.message)},onRedirect:function(e){return n(e.message)},onReject:function(e){return n(e.message)},onTrying:function(e){return n(e.message)}});var s=t;switch(e){case o.C.BYE:i=this.session.bye(r,s);break;case o.C.INVITE:i=this.session.invite(r,s);break;case o.C.REFER:i=this.session.refer(r,s);break;default:throw new Error("Unexpected "+e+". Method not implemented by user agent core.")}return this.emit(e.toLowerCase(),i.message),this},t.prototype.close=function(){if(this.status===c.SessionStatus.STATUS_TERMINATED)return this;for(var e in this.logger.log("closing INVITE session "+this.id),this.sessionDescriptionHandler&&this.sessionDescriptionHandler.close(),this.timers)this.timers[e]&&clearTimeout(this.timers[e]);return this.status=c.SessionStatus.STATUS_TERMINATED,this.ua.transport&&this.ua.transport.removeListener("transportError",this.errorListener),delete this.ua.sessions[this.id],this},t.prototype.hold=function(e,t){if(void 0===e&&(e={}),void 0===t&&(t=[]),this.status!==c.SessionStatus.STATUS_WAITING_FOR_ACK&&this.status!==c.SessionStatus.STATUS_CONFIRMED)throw new u.Exceptions.InvalidStateError(this.status);this.localHold?this.logger.log("Session is already on hold, cannot put it on hold again"):(e.modifiers=t,this.sessionDescriptionHandler&&e.modifiers.push(this.sessionDescriptionHandler.holdModifier),this.localHold=!0,this.sendReinvite(e))},t.prototype.unhold=function(e,t){if(void 0===e&&(e={}),void 0===t&&(t=[]),this.status!==c.SessionStatus.STATUS_WAITING_FOR_ACK&&this.status!==c.SessionStatus.STATUS_CONFIRMED)throw new u.Exceptions.InvalidStateError(this.status);this.localHold?(e.modifiers=t,this.localHold=!1,this.sendReinvite(e)):this.logger.log("Session is not on hold, cannot unhold it")},t.prototype.reinvite=function(e,t){return void 0===e&&(e={}),void 0===t&&(t=[]),e.modifiers=t,this.sendReinvite(e)},t.prototype.terminate=function(e){return this},t.prototype.onTransportError=function(){this.status!==c.SessionStatus.STATUS_CONFIRMED&&this.status!==c.SessionStatus.STATUS_TERMINATED&&this.failed(void 0,o.C.causes.CONNECTION_ERROR)},t.prototype.onRequestTimeout=function(){this.status===c.SessionStatus.STATUS_CONFIRMED?this.terminated(void 0,o.C.causes.REQUEST_TIMEOUT):this.status!==c.SessionStatus.STATUS_TERMINATED&&(this.failed(void 0,o.C.causes.REQUEST_TIMEOUT),this.terminated(void 0,o.C.causes.REQUEST_TIMEOUT))},t.prototype.onDialogError=function(e){this.status===c.SessionStatus.STATUS_CONFIRMED?this.terminated(e,o.C.causes.DIALOG_ERROR):this.status!==c.SessionStatus.STATUS_TERMINATED&&(this.failed(e,o.C.causes.DIALOG_ERROR),this.terminated(e,o.C.causes.DIALOG_ERROR))},t.prototype.on=function(t,r){return e.prototype.on.call(this,t,r)},t.prototype.onAck=function(e){var t=this,r=function(){clearTimeout(t.timers.ackTimer),clearTimeout(t.timers.invite2xxTimer),t.status=c.SessionStatus.STATUS_CONFIRMED;var r=e.message.getHeader("Content-Disposition");r&&"render"===r.type&&(t.renderbody=e.message.body,t.rendertype=e.message.getHeader("Content-Type")),t.emit("confirmed",e.message)};this.status===c.SessionStatus.STATUS_WAITING_FOR_ACK&&(this.sessionDescriptionHandler&&this.sessionDescriptionHandler.hasDescription(e.message.getHeader("Content-Type")||"")?(this.hasAnswer=!0,this.sessionDescriptionHandler.setDescription(e.message.body,this.sessionDescriptionHandlerOptions,this.modifiers).catch((function(r){throw t.logger.warn(r),t.terminate({statusCode:"488",reasonPhrase:"Bad Media Description"}),t.failed(e.message,o.C.causes.BAD_MEDIA_DESCRIPTION),t.terminated(e.message,o.C.causes.BAD_MEDIA_DESCRIPTION),r})).then((function(){return r()}))):r())},t.prototype.receiveRequest=function(e){switch(e.message.method){case o.C.BYE:e.accept(),this.status===c.SessionStatus.STATUS_CONFIRMED&&(this.emit("bye",e.message),this.terminated(e.message,o.C.BYE));break;case o.C.INVITE:this.status===c.SessionStatus.STATUS_CONFIRMED&&(this.logger.log("re-INVITE received"),this.receiveReinvite(e));break;case o.C.INFO:if(this.status===c.SessionStatus.STATUS_CONFIRMED||this.status===c.SessionStatus.STATUS_WAITING_FOR_ACK){if(this.onInfo)return this.onInfo(e.message);var t=e.message.getHeader("content-type");if(t)if(t.match(/^application\/dtmf-relay/i)){if(e.message.body){var r=e.message.body.split("\r\n",2);if(2===r.length){var i=void 0,n=void 0,s=/^(Signal\s*?=\s*?)([0-9A-D#*]{1})(\s)?.*/;s.test(r[0])&&(i=r[0].replace(s,"$2"));var a=/^(Duration\s?=\s?)([0-9]{1,4})(\s)?.*/;a.test(r[1])&&(n=parseInt(r[1].replace(a,"$2"),10)),i&&n&&new l.DTMF(this,i,{duration:n}).init_incoming(e)}}}else e.reject({statusCode:415,extraHeaders:["Accept: application/dtmf-relay"]})}break;case o.C.REFER:if(this.status===c.SessionStatus.STATUS_CONFIRMED)if(this.logger.log("REFER received"),this.referContext=new d.ReferServerContext(this.ua,e,this.session),this.listeners("referRequested").length)this.emit("referRequested",this.referContext);else{this.logger.log("No referRequested listeners, automatically accepting and following the refer");var u={followRefer:!0};this.passedOptions&&(u.inviteOptions=this.passedOptions),this.referContext.accept(u,this.modifiers)}break;case o.C.NOTIFY:if(this.referContext&&this.referContext.type===c.TypeStrings.ReferClientContext&&e.message.hasHeader("event")&&/^refer(;.*)?$/.test(e.message.getHeader("event")))return void this.referContext.receiveNotify(e);e.accept(),this.emit("notify",e.message)}},t.prototype.receiveReinvite=function(e){var t,r=this;if(this.emit("reinvite",this,e.message),e.message.hasHeader("P-Asserted-Identity")&&(this.assertedIdentity=a.Grammar.nameAddrHeaderParse(e.message.getHeader("P-Asserted-Identity"))),this.sessionDescriptionHandler){if("0"!==e.message.getHeader("Content-Length")||e.message.getHeader("Content-Type")){if(!this.sessionDescriptionHandler.hasDescription(e.message.getHeader("Content-Type")||""))return e.reject({statusCode:415}),void this.emit("reinviteFailed",this);t=this.sessionDescriptionHandler.setDescription(e.message.body,this.sessionDescriptionHandlerOptions,this.modifiers).then(this.sessionDescriptionHandler.getDescription.bind(this.sessionDescriptionHandler,this.sessionDescriptionHandlerOptions,this.modifiers))}else t=this.sessionDescriptionHandler.getDescription(this.sessionDescriptionHandlerOptions,this.modifiers);t.catch((function(t){var i;throw t.type===c.TypeStrings.SessionDescriptionHandlerError?i=500:t.type===c.TypeStrings.RenegotiationError?(r.emit("renegotiationError",t),r.logger.warn(t.toString()),i=488):(r.logger.error(t),i=488),e.reject({statusCode:i}),r.emit("reinviteFailed",r),t})).then((function(t){var i=["Contact: "+r.contact];e.accept({statusCode:200,extraHeaders:i,body:h.Utils.fromBodyObj(t)}),r.status=c.SessionStatus.STATUS_WAITING_FOR_ACK,r.emit("reinviteAccepted",r)}))}else this.logger.warn("No SessionDescriptionHandler to reinvite")},t.prototype.sendReinvite=function(e){var t=this;if(void 0===e&&(e={}),this.pendingReinvite)this.logger.warn("Reinvite in progress. Please wait until complete, then try again.");else if(this.sessionDescriptionHandler){this.pendingReinvite=!0,e.modifiers=e.modifiers||[];var r=(e.extraHeaders||[]).slice();r.push("Contact: "+this.contact),r.push("Allow: "+["ACK","CANCEL","INVITE","MESSAGE","BYE","OPTIONS","INFO","NOTIFY","REFER"].toString()),this.sessionDescriptionHandler.getDescription(e.sessionDescriptionHandlerOptions,e.modifiers).then((function(e){if(!t.session)throw new Error("Session undefined.");var i={onAccept:function(e){if(t.status!==c.SessionStatus.STATUS_TERMINATED)if(t.pendingReinvite){if(t.status=c.SessionStatus.STATUS_CONFIRMED,t.emit("ack",e.ack()),t.pendingReinvite=!1,clearTimeout(t.timers.invite2xxTimer),!t.sessionDescriptionHandler||!t.sessionDescriptionHandler.hasDescription(e.message.getHeader("Content-Type")||""))return t.logger.error("2XX response received to re-invite but did not have a description"),t.emit("reinviteFailed",t),void t.emit("renegotiationError",new u.Exceptions.RenegotiationError("2XX response received to re-invite but did not have a description"));t.sessionDescriptionHandler.setDescription(e.message.body,t.sessionDescriptionHandlerOptions,t.modifiers).catch((function(e){throw t.logger.error("Could not set the description in 2XX response"),t.logger.error(e),t.emit("reinviteFailed",t),t.emit("renegotiationError",e),t.sendRequest(o.C.BYE,{extraHeaders:["Reason: "+h.Utils.getReasonHeaderValue(488,"Not Acceptable Here")]}),t.terminated(void 0,o.C.causes.INCOMPATIBLE_SDP),e})).then((function(){t.emit("reinviteAccepted",t)}))}else t.logger.error("Received reinvite response, but have no pending reinvite");else t.logger.error("Received reinvite response, but in STATUS_TERMINATED")},onProgress:function(e){},onRedirect:function(e){t.pendingReinvite=!1,t.logger.log("Received a non 1XX or 2XX response to a re-invite"),t.emit("reinviteFailed",t),t.emit("renegotiationError",new u.Exceptions.RenegotiationError("Invalid response to a re-invite"))},onReject:function(e){t.pendingReinvite=!1,t.logger.log("Received a non 1XX or 2XX response to a re-invite"),t.emit("reinviteFailed",t),t.emit("renegotiationError",new u.Exceptions.RenegotiationError("Invalid response to a re-invite"))},onTrying:function(e){}},n={extraHeaders:r,body:h.Utils.fromBodyObj(e)};t.session.invite(i,n)})).catch((function(e){if(e.type===c.TypeStrings.RenegotiationError)throw t.pendingReinvite=!1,t.emit("renegotiationError",e),t.logger.warn("Renegotiation Error"),t.logger.warn(e.toString()),e;throw t.logger.error("sessionDescriptionHandler error"),t.logger.error(e),e}))}else this.logger.warn("No SessionDescriptionHandler, can't reinvite..")},t.prototype.failed=function(e,t){return this.status===c.SessionStatus.STATUS_TERMINATED?this:(this.emit("failed",e,t),this)},t.prototype.rejected=function(e,t){return this.emit("rejected",e,t),this},t.prototype.canceled=function(){return this.sessionDescriptionHandler&&this.sessionDescriptionHandler.close(),this.emit("cancel"),this},t.prototype.accepted=function(e,t){return e instanceof String||(t=h.Utils.getReasonPhrase(e&&e.statusCode||0,t)),this.startTime=new Date,this.replacee&&(this.replacee.emit("replaced",this),this.replacee.terminate()),this.emit("accepted",e,t),this},t.prototype.terminated=function(e,t){return this.status===c.SessionStatus.STATUS_TERMINATED?this:(this.endTime=new Date,this.close(),this.emit("terminated",e,t),this)},t.prototype.connecting=function(e){return this.emit("connecting",{request:e}),this},t.C=c.SessionStatus,t}(n.EventEmitter);t.Session=g;var f=function(e){function t(t,r){var i=this;if(!t.configuration.sessionDescriptionHandlerFactory)throw t.logger.warn("Can't build ISC without SDH Factory"),new Error("ISC Constructor Failed");(i=e.call(this,t.configuration.sessionDescriptionHandlerFactory)||this)._canceled=!1,i.rseq=Math.floor(1e4*Math.random()),i.incomingRequest=r;var n=r.message;p.ServerContext.initializer(i,t,r),i.type=c.TypeStrings.InviteServerContext;var s=n.parseHeader("Content-Disposition");s&&"render"===s.type&&(i.renderbody=n.body,i.rendertype=n.getHeader("Content-Type")),i.status=c.SessionStatus.STATUS_INVITE_RECEIVED,i.fromTag=n.fromTag,i.id=n.callId+i.fromTag,i.request=n,i.contact=i.ua.contact.toString(),i.logger=t.getLogger("sip.inviteservercontext",i.id),i.ua.sessions[i.id]=i;var a=function(e,t){n.hasHeader(e)&&n.getHeader(e).toLowerCase().indexOf("100rel")>=0&&(i.rel100=t)};if(a("require",o.C.supported.REQUIRED),a("supported",o.C.supported.SUPPORTED),i.request.toTag=r.toTag,i.status=c.SessionStatus.STATUS_WAITING_FOR_ANSWER,i.timers.userNoAnswerTimer=setTimeout((function(){r.reject({statusCode:408}),i.failed(n,o.C.causes.NO_ANSWER),i.terminated(n,o.C.causes.NO_ANSWER)}),i.ua.configuration.noAnswerTimeout||60),n.hasHeader("expires")){var u=1e3*Number(n.getHeader("expires")||0);i.timers.expiresTimer=setTimeout((function(){i.status===c.SessionStatus.STATUS_WAITING_FOR_ANSWER&&(r.reject({statusCode:487}),i.failed(n,o.C.causes.EXPIRES),i.terminated(n,o.C.causes.EXPIRES))}),u)}return i.errorListener=i.onTransportError.bind(i),t.transport&&t.transport.on("transportError",i.errorListener),i}return i.__extends(t,e),Object.defineProperty(t.prototype,"autoSendAnInitialProvisionalResponse",{get:function(){return this.rel100!==o.C.supported.REQUIRED},enumerable:!0,configurable:!0}),t.prototype.reply=function(e){return void 0===e&&(e={}),this},t.prototype.reject=function(e){var t=this;if(void 0===e&&(e={}),this.status===c.SessionStatus.STATUS_TERMINATED)throw new u.Exceptions.InvalidStateError(this.status);this.logger.log("rejecting RTCSession");var r=e.statusCode||480,i=h.Utils.getReasonPhrase(r,e.reasonPhrase),n=e.extraHeaders||[];if(r<300||r>699)throw new TypeError("Invalid statusCode: "+r);var s=e.body?a.fromBodyLegacy(e.body):void 0,o=r<400?this.incomingRequest.redirect([],{statusCode:r,reasonPhrase:i,extraHeaders:n,body:s}):this.incomingRequest.reject({statusCode:r,reasonPhrase:i,extraHeaders:n,body:s});return["rejected","failed"].forEach((function(e){t.emit(e,o.message,i)})),this.terminated()},t.prototype.accept=function(e){var t=this;return void 0===e&&(e={}),this._accept(e).then((function(e){var r=e.message,i=e.session;i.delegate={onAck:function(e){return t.onAck(e)},onAckTimeout:function(){return t.onAckTimeout()},onBye:function(e){return t.receiveRequest(e)},onInfo:function(e){return t.receiveRequest(e)},onInvite:function(e){return t.receiveRequest(e)},onNotify:function(e){return t.receiveRequest(e)},onPrack:function(e){return t.receiveRequest(e)},onRefer:function(e){return t.receiveRequest(e)}},t.session=i,t.status=c.SessionStatus.STATUS_WAITING_FOR_ACK,t.accepted(r,h.Utils.getReasonPhrase(200))})).catch((function(e){if(t.onContextError(e),!t._canceled)throw e})),this},t.prototype.progress=function(e){var t=this;void 0===e&&(e={});var r=e.statusCode||180;if(r<100||r>199)throw new TypeError("Invalid statusCode: "+r);if(this.status===c.SessionStatus.STATUS_TERMINATED)return this.logger.warn("Unexpected call for progress while terminated, ignoring"),this;if(this.status===c.SessionStatus.STATUS_ANSWERED)return this.logger.warn("Unexpected call for progress while answered, ignoring"),this;if(this.status===c.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK)return this.logger.warn("Unexpected call for progress while answered (waiting for prack), ignoring"),this;if(this.status===c.SessionStatus.STATUS_WAITING_FOR_PRACK)return this.logger.warn("Unexpected call for progress while waiting for prack, ignoring"),this;if(100===e.statusCode){try{this.incomingRequest.trying()}catch(e){if(this.onContextError(e),!this._canceled)throw e}return this}return this.rel100===o.C.supported.REQUIRED||this.rel100===o.C.supported.SUPPORTED&&e.rel100||this.rel100===o.C.supported.SUPPORTED&&this.ua.configuration.rel100===o.C.supported.REQUIRED?(this._reliableProgressWaitForPrack(e).catch((function(e){if(t.onContextError(e),!t._canceled)throw e})),this):(this._progress(e).catch((function(e){if(t.onContextError(e),!t._canceled)throw e})),this)},t.prototype.terminate=function(e){var t=this;if(void 0===e&&(e={}),!this.session)return this.reject(e),this;switch(this.session.sessionState){case a.SessionState.Initial:case a.SessionState.Early:return this.reject(e),this;case a.SessionState.AckWait:return this.session.delegate={onAck:function(){t.sendRequest(o.C.BYE,e)},onAckTimeout:function(){t.sendRequest(o.C.BYE,e)}},this.emit("bye",this.request),this.terminated(),this;case a.SessionState.Confirmed:return this.bye(e),this;case a.SessionState.Terminated:default:return this}},t.prototype.onCancel=function(e){this.status!==c.SessionStatus.STATUS_WAITING_FOR_ANSWER&&this.status!==c.SessionStatus.STATUS_WAITING_FOR_PRACK&&this.status!==c.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK&&this.status!==c.SessionStatus.STATUS_EARLY_MEDIA&&this.status!==c.SessionStatus.STATUS_ANSWERED||(this.status=c.SessionStatus.STATUS_CANCELED,this.incomingRequest.reject({statusCode:487}),this.canceled(),this.rejected(e,o.C.causes.CANCELED),this.failed(e,o.C.causes.CANCELED),this.terminated(e,o.C.causes.CANCELED))},t.prototype.receiveRequest=function(t){var r=this;switch(t.message.method){case o.C.PRACK:this.status===c.SessionStatus.STATUS_WAITING_FOR_PRACK||this.status===c.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK?this.hasAnswer?(clearTimeout(this.timers.rel1xxTimer),clearTimeout(this.timers.prackTimer),t.accept(),this.status===c.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK&&(this.status=c.SessionStatus.STATUS_EARLY_MEDIA,this.accept()),this.status=c.SessionStatus.STATUS_EARLY_MEDIA):(this.sessionDescriptionHandler=this.setupSessionDescriptionHandler(),this.emit("SessionDescriptionHandler-created",this.sessionDescriptionHandler),this.sessionDescriptionHandler.hasDescription(t.message.getHeader("Content-Type")||"")?(this.hasAnswer=!0,this.sessionDescriptionHandler.setDescription(t.message.body,this.sessionDescriptionHandlerOptions,this.modifiers).then((function(){clearTimeout(r.timers.rel1xxTimer),clearTimeout(r.timers.prackTimer),t.accept(),r.status===c.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK&&(r.status=c.SessionStatus.STATUS_EARLY_MEDIA,r.accept()),r.status=c.SessionStatus.STATUS_EARLY_MEDIA}),(function(e){r.logger.warn(e),r.terminate({statusCode:"488",reasonPhrase:"Bad Media Description"}),r.failed(t.message,o.C.causes.BAD_MEDIA_DESCRIPTION),r.terminated(t.message,o.C.causes.BAD_MEDIA_DESCRIPTION)}))):(this.terminate({statusCode:"488",reasonPhrase:"Bad Media Description"}),this.failed(t.message,o.C.causes.BAD_MEDIA_DESCRIPTION),this.terminated(t.message,o.C.causes.BAD_MEDIA_DESCRIPTION))):this.status===c.SessionStatus.STATUS_EARLY_MEDIA&&t.accept();break;default:e.prototype.receiveRequest.call(this,t)}},t.prototype.setupSessionDescriptionHandler=function(){return this.sessionDescriptionHandler?this.sessionDescriptionHandler:this.sessionDescriptionHandlerFactory(this,this.ua.configuration.sessionDescriptionHandlerFactoryOptions)},t.prototype.generateResponseOfferAnswer=function(e){if(!this.session){var t=a.getBody(this.incomingRequest.message);return t&&"session"===t.contentDisposition?this.setOfferAndGetAnswer(t,e):this.getOffer(e)}switch(this.session.signalingState){case a.SignalingState.Initial:return this.getOffer(e);case a.SignalingState.Stable:case a.SignalingState.HaveLocalOffer:return Promise.resolve(void 0);case a.SignalingState.HaveRemoteOffer:if(!this.session.offer)throw new Error("Session offer undefined");return this.setOfferAndGetAnswer(this.session.offer,e);case a.SignalingState.Closed:default:throw new Error("Invalid signaling state "+this.session.signalingState+".")}},t.prototype.handlePrackOfferAnswer=function(e,t){if(!this.session)throw new Error("Session undefined.");var r=a.getBody(e.message);if(!r||"session"!==r.contentDisposition)return Promise.resolve(void 0);switch(this.session.signalingState){case a.SignalingState.Initial:throw new Error("Invalid signaling state "+this.session.signalingState+".");case a.SignalingState.Stable:return this.setAnswer(r,t).then((function(){}));case a.SignalingState.HaveLocalOffer:throw new Error("Invalid signaling state "+this.session.signalingState+".");case a.SignalingState.HaveRemoteOffer:return this.setOfferAndGetAnswer(r,t);case a.SignalingState.Closed:default:throw new Error("Invalid signaling state "+this.session.signalingState+".")}},t.prototype.canceled=function(){return this._canceled=!0,e.prototype.canceled.call(this)},t.prototype.terminated=function(t,r){return this.prackNeverArrived(),e.prototype.terminated.call(this,t,r)},t.prototype._accept=function(e){var t=this;return void 0===e&&(e={}),this.onInfo=e.onInfo,this.status===c.SessionStatus.STATUS_WAITING_FOR_PRACK?(this.status=c.SessionStatus.STATUS_ANSWERED_WAITING_FOR_PRACK,this.waitForArrivalOfPrack().then((function(){t.status=c.SessionStatus.STATUS_ANSWERED,clearTimeout(t.timers.userNoAnswerTimer)})).then((function(){return t.generateResponseOfferAnswer(e)})).then((function(e){return t.incomingRequest.accept({statusCode:200,body:e})}))):this.status!==c.SessionStatus.STATUS_WAITING_FOR_ANSWER?Promise.reject(new u.Exceptions.InvalidStateError(this.status)):(this.status=c.SessionStatus.STATUS_ANSWERED,this.status=c.SessionStatus.STATUS_ANSWERED,clearTimeout(this.timers.userNoAnswerTimer),this.generateResponseOfferAnswer(e).then((function(e){return t.incomingRequest.accept({statusCode:200,body:e})})))},t.prototype._progress=function(e){void 0===e&&(e={});var t=e.statusCode||180,r=e.reasonPhrase,i=(e.extraHeaders||[]).slice(),n=e.body?a.fromBodyLegacy(e.body):void 0;if(183===t&&!n)return this._progressWithSDP(e);try{var s=this.incomingRequest.progress({statusCode:t,reasonPhrase:r,extraHeaders:i,body:n});return this.emit("progress",s.message,r),this.session=s.session,Promise.resolve(s)}catch(e){return Promise.reject(e)}},t.prototype._progressWithSDP=function(e){var t=this;void 0===e&&(e={});var r=e.statusCode||183,i=e.reasonPhrase,n=(e.extraHeaders||[]).slice();return this.generateResponseOfferAnswer(e).then((function(e){return t.incomingRequest.progress({statusCode:r,reasonPhrase:i,extraHeaders:n,body:e})})).then((function(e){return t.emit("progress",e.message,i),t.session=e.session,e}))},t.prototype._reliableProgress=function(e){var t=this;void 0===e&&(e={});var r=e.statusCode||183,i=e.reasonPhrase,n=(e.extraHeaders||[]).slice();return n.push("Require: 100rel"),n.push("RSeq: "+Math.floor(1e4*Math.random())),this.generateResponseOfferAnswer(e).then((function(e){return t.incomingRequest.progress({statusCode:r,reasonPhrase:i,extraHeaders:n,body:e})})).then((function(e){return t.emit("progress",e.message,i),t.session=e.session,e}))},t.prototype._reliableProgressWaitForPrack=function(e){var t=this;void 0===e&&(e={});var r,i=e.statusCode||183,n=e.reasonPhrase,s=(e.extraHeaders||[]).slice();return s.push("Require: 100rel"),s.push("RSeq: "+this.rseq++),this.status=c.SessionStatus.STATUS_WAITING_FOR_PRACK,new Promise((function(d,p){var l=!0;return t.generateResponseOfferAnswer(e).then((function(e){return r=e,t.incomingRequest.progress({statusCode:i,reasonPhrase:n,extraHeaders:s,body:r})})).then((function(h){var g,f;t.emit("progress",h.message,n),t.session=h.session,h.session.delegate={onPrack:function(r){g=r,clearTimeout(m),clearTimeout(T),l&&(l=!1,t.handlePrackOfferAnswer(g,e).then((function(e){try{f=g.accept({statusCode:200,body:e}),t.status===c.SessionStatus.STATUS_WAITING_FOR_PRACK&&(t.status=c.SessionStatus.STATUS_WAITING_FOR_ANSWER),t.prackArrived(),d({prackRequest:g,prackResponse:f,progressResponse:h})}catch(e){p(e)}})))}};var m=setTimeout((function(){if(l){l=!1,t.logger.warn("No PRACK received, rejecting INVITE."),clearTimeout(T);try{t.incomingRequest.reject({statusCode:504}),t.terminated(void 0,o.C.causes.NO_PRACK),p(new u.Exceptions.TerminatedSessionError)}catch(e){p(e)}}}),64*a.Timers.T1),v=function(){try{t.incomingRequest.progress({statusCode:i,reasonPhrase:n,extraHeaders:s,body:r})}catch(e){return l=!1,void p(e)}T=setTimeout(v,S*=2)},S=a.Timers.T1,T=setTimeout(v,S)}))}))},t.prototype.onAckTimeout=function(){if(this.status===c.SessionStatus.STATUS_WAITING_FOR_ACK){if(this.logger.log("no ACK received for an extended period of time, terminating the call"),!this.session)throw new Error("Session undefined.");this.session.bye(),this.terminated(void 0,o.C.causes.NO_ACK)}},t.prototype.onContextError=function(e){var t=480;e instanceof a.Exception?e instanceof u.Exceptions.SessionDescriptionHandlerError?(this.logger.error(e.message),e.error&&this.logger.error(e.error)):e instanceof u.Exceptions.TerminatedSessionError?this.logger.warn("Incoming session terminated while waiting for PRACK."):e instanceof u.Exceptions.UnsupportedSessionDescriptionContentTypeError?t=415:e instanceof a.Exception&&this.logger.error(e.message):e instanceof Error?this.logger.error(e.message):(this.logger.error("An error occurred in the session description handler."),this.logger.error(e));try{this.incomingRequest.reject({statusCode:t}),this.failed(this.incomingRequest.message,e.message),this.terminated(this.incomingRequest.message,e.message)}catch(e){return}},t.prototype.prackArrived=function(){this.waitingForPrackResolve&&this.waitingForPrackResolve(),this.waitingForPrackPromise=void 0,this.waitingForPrackResolve=void 0,this.waitingForPrackReject=void 0},t.prototype.prackNeverArrived=function(){this.waitingForPrackReject&&this.waitingForPrackReject(new u.Exceptions.TerminatedSessionError),this.waitingForPrackPromise=void 0,this.waitingForPrackResolve=void 0,this.waitingForPrackReject=void 0},t.prototype.waitForArrivalOfPrack=function(){var e=this;if(this.waitingForPrackPromise)throw new Error("Already waiting for PRACK");return this.waitingForPrackPromise=new Promise((function(t,r){e.waitingForPrackResolve=t,e.waitingForPrackReject=r})),this.waitingForPrackPromise},t.prototype.getOffer=function(e){return this.hasOffer=!0,this.getSessionDescriptionHandler().getDescription(e.sessionDescriptionHandlerOptions,e.modifiers).then((function(e){return h.Utils.fromBodyObj(e)}))},t.prototype.setAnswer=function(e,t){this.hasAnswer=!0;var r=this.getSessionDescriptionHandler();return r.hasDescription(e.contentType)?r.setDescription(e.content,t.sessionDescriptionHandlerOptions,t.modifiers):Promise.reject(new u.Exceptions.UnsupportedSessionDescriptionContentTypeError)},t.prototype.setOfferAndGetAnswer=function(e,t){this.hasOffer=!0,this.hasAnswer=!0;var r=this.getSessionDescriptionHandler();return r.hasDescription(e.contentType)?r.setDescription(e.content,t.sessionDescriptionHandlerOptions,t.modifiers).then((function(){return r.getDescription(t.sessionDescriptionHandlerOptions,t.modifiers)})).then((function(e){return h.Utils.fromBodyObj(e)})):Promise.reject(new u.Exceptions.UnsupportedSessionDescriptionContentTypeError)},t.prototype.getSessionDescriptionHandler=function(){var e=this.sessionDescriptionHandler=this.setupSessionDescriptionHandler();return this.emit("SessionDescriptionHandler-created",this.sessionDescriptionHandler),e},t}(g);t.InviteServerContext=f;var m=function(e){function t(t,r,i,n){void 0===i&&(i={}),void 0===n&&(n=[]);var a=this;if(!t.configuration.sessionDescriptionHandlerFactory)throw t.logger.warn("Can't build ISC without SDH Factory"),new Error("ICC Constructor Failed");i.params=i.params||{};var d=i.anonymous||!1,p=h.Utils.newTag();i.params.fromTag=p;var l=t.contact.toString({anonymous:d,outbound:d?!t.contact.tempGruu:!t.contact.pubGruu}),g=(i.extraHeaders||[]).slice();if(d&&t.configuration.uri&&(i.params.fromDisplayName="Anonymous",i.params.fromUri="sip:anonymous@anonymous.invalid",g.push("P-Preferred-Identity: "+t.configuration.uri.toString()),g.push("Privacy: id")),g.push("Contact: "+l),g.push("Allow: "+["ACK","CANCEL","INVITE","MESSAGE","BYE","OPTIONS","INFO","NOTIFY","REFER"].toString()),t.configuration.rel100===o.C.supported.REQUIRED&&g.push("Require: 100rel"),t.configuration.replaces===o.C.supported.REQUIRED&&g.push("Require: replaces"),i.extraHeaders=g,a=e.call(this,t.configuration.sessionDescriptionHandlerFactory)||this,s.ClientContext.initializer(a,t,o.C.INVITE,r,i),a.earlyMediaSessionDescriptionHandlers=new Map,a.type=c.TypeStrings.InviteClientContext,a.passedOptions=i,a.sessionDescriptionHandlerOptions=i.sessionDescriptionHandlerOptions||{},a.modifiers=n,a.inviteWithoutSdp=i.inviteWithoutSdp||!1,a.anonymous=i.anonymous||!1,a.renderbody=i.renderbody||void 0,a.rendertype=i.rendertype||"text/plain",a.fromTag=p,a.contact=l,a.status!==c.SessionStatus.STATUS_NULL)throw new u.Exceptions.InvalidStateError(a.status);return a.isCanceled=!1,a.received100=!1,a.method=o.C.INVITE,a.logger=t.getLogger("sip.inviteclientcontext"),t.applicants[a.toString()]=a,a.id=a.request.callId+a.fromTag,a.onInfo=i.onInfo,a.errorListener=a.onTransportError.bind(a),t.transport&&t.transport.on("transportError",a.errorListener),a}return i.__extends(t,e),t.prototype.receiveResponse=function(e){throw new Error("Unimplemented.")},t.prototype.send=function(){return this.sendInvite(),this},t.prototype.invite=function(){var e=this;return this.ua.sessions[this.id]=this,Promise.resolve().then((function(){e.isCanceled||e.status===c.SessionStatus.STATUS_TERMINATED||(e.inviteWithoutSdp?(e.renderbody&&e.rendertype&&(e.request.body={body:e.renderbody,contentType:e.rendertype}),e.status=c.SessionStatus.STATUS_INVITE_SENT,e.send()):(e.sessionDescriptionHandler=e.sessionDescriptionHandlerFactory(e,e.ua.configuration.sessionDescriptionHandlerFactoryOptions||{}),e.emit("SessionDescriptionHandler-created",e.sessionDescriptionHandler),e.sessionDescriptionHandler.getDescription(e.sessionDescriptionHandlerOptions,e.modifiers).then((function(t){e.isCanceled||e.status===c.SessionStatus.STATUS_TERMINATED||(e.hasOffer=!0,e.request.body=t,e.status=c.SessionStatus.STATUS_INVITE_SENT,e.send())}),(function(t){t.type===c.TypeStrings.SessionDescriptionHandlerError&&(e.logger.log(t.message),t.error&&e.logger.log(t.error)),e.status!==c.SessionStatus.STATUS_TERMINATED&&(e.failed(void 0,o.C.causes.WEBRTC_ERROR),e.terminated(void 0,o.C.causes.WEBRTC_ERROR))}))))})),this},t.prototype.cancel=function(e){if(void 0===e&&(e={}),this.status===c.SessionStatus.STATUS_TERMINATED||this.status===c.SessionStatus.STATUS_CONFIRMED)throw new u.Exceptions.InvalidStateError(this.status);if(this.isCanceled)throw new u.Exceptions.InvalidStateError(c.SessionStatus.STATUS_CANCELED);this.isCanceled=!0,this.logger.log("Canceling session");var t=h.Utils.getCancelReason(e.statusCode,e.reasonPhrase);return e.extraHeaders=(e.extraHeaders||[]).slice(),this.outgoingInviteRequest&&(this.logger.warn("Canceling session before it was created"),this.outgoingInviteRequest.cancel(t,e)),this.canceled()},t.prototype.terminate=function(e){return this.status===c.SessionStatus.STATUS_TERMINATED?this:(this.status===c.SessionStatus.STATUS_WAITING_FOR_ACK||this.status===c.SessionStatus.STATUS_CONFIRMED?this.bye(e):this.cancel(e),this)},t.prototype.sendInvite=function(){var e=this;this.outgoingInviteRequest=this.ua.userAgentCore.invite(this.request,{onAccept:function(t){return e.onAccept(t)},onProgress:function(t){return e.onProgress(t)},onRedirect:function(t){return e.onRedirect(t)},onReject:function(t){return e.onReject(t)},onTrying:function(t){return e.onTrying(t)}})},t.prototype.ackAndBye=function(e,t,r,i){if(!this.ua.userAgentCore)throw new Error("Method requires user agent core.");var n=[];r&&n.push("Reason: "+h.Utils.getReasonHeaderValue(r,i));var s=e.ack();this.emit("ack",s.message);var o=t.bye(void 0,{extraHeaders:n});this.emit("bye",o.message)},t.prototype.disposeEarlyMedia=function(){if(!this.earlyMediaSessionDescriptionHandlers)throw new Error("Early media session description handlers undefined.");this.earlyMediaSessionDescriptionHandlers.forEach((function(e){e.close()}))},t.prototype.onAccept=function(e){var t=this;if(!this.earlyMediaSessionDescriptionHandlers)throw new Error("Early media session description handlers undefined.");var r=e.message,i=e.session;if(this.session)this.ackAndBye(e,i);else{if(this.isCanceled)return this.ackAndBye(e,i),void this.emit("bye",this.request);switch(r.hasHeader("P-Asserted-Identity")&&(this.assertedIdentity=a.Grammar.nameAddrHeaderParse(r.getHeader("P-Asserted-Identity"))),this.session=i,this.session.delegate={onAck:function(e){return t.onAck(e)},onBye:function(e){return t.receiveRequest(e)},onInfo:function(e){return t.receiveRequest(e)},onInvite:function(e){return t.receiveRequest(e)},onNotify:function(e){return t.receiveRequest(e)},onPrack:function(e){return t.receiveRequest(e)},onRefer:function(e){return t.receiveRequest(e)}},i.signalingState){case a.SignalingState.Initial:case a.SignalingState.HaveLocalOffer:this.ackAndBye(e,i,400,"Missing session description"),this.failed(r,o.C.causes.BAD_MEDIA_DESCRIPTION);break;case a.SignalingState.HaveRemoteOffer:var n=this.sessionDescriptionHandlerFactory(this,this.ua.configuration.sessionDescriptionHandlerFactoryOptions||{});if(this.sessionDescriptionHandler=n,this.emit("SessionDescriptionHandler-created",this.sessionDescriptionHandler),!n.hasDescription(r.getHeader("Content-Type")||"")){this.ackAndBye(e,i,400,"Missing session description"),this.failed(r,o.C.causes.BAD_MEDIA_DESCRIPTION);break}this.hasOffer=!0,n.setDescription(r.body,this.sessionDescriptionHandlerOptions,this.modifiers).then((function(){return n.getDescription(t.sessionDescriptionHandlerOptions,t.modifiers)})).then((function(i){if(!t.isCanceled&&t.status!==c.SessionStatus.STATUS_TERMINATED){t.status=c.SessionStatus.STATUS_CONFIRMED,t.hasAnswer=!0;var n={contentDisposition:"session",contentType:i.contentType,content:i.body},s=e.ack({body:n});t.emit("ack",s.message),t.accepted(r)}})).catch((function(n){if(n.type!==c.TypeStrings.SessionDescriptionHandlerError)throw n;t.logger.warn("invalid description"),t.logger.warn(n.toString()),t.ackAndBye(e,i,488,"Invalid session description"),t.failed(r,o.C.causes.BAD_MEDIA_DESCRIPTION)}));break;case a.SignalingState.Stable:var s;if(this.renderbody&&this.rendertype&&(s={body:{contentDisposition:"render",contentType:this.rendertype,content:this.renderbody}}),this.hasOffer&&!this.hasAnswer){if(!this.sessionDescriptionHandler)throw new Error("Session description handler undefined.");var u=i.answer;if(!u)throw new Error("Answer is undefined.");this.sessionDescriptionHandler.setDescription(u.content,this.sessionDescriptionHandlerOptions,this.modifiers).then((function(){t.hasAnswer=!0,t.status=c.SessionStatus.STATUS_CONFIRMED;var i=e.ack(s);t.emit("ack",i.message),t.accepted(r)})).catch((function(n){t.logger.error(n),t.ackAndBye(e,i,488,"Not Acceptable Here"),t.failed(r,o.C.causes.BAD_MEDIA_DESCRIPTION)}))}else{if(this.sessionDescriptionHandler=this.earlyMediaSessionDescriptionHandlers.get(i.id),!this.sessionDescriptionHandler)throw new Error("Session description handler undefined.");this.earlyMediaSessionDescriptionHandlers.delete(i.id),this.hasOffer=!0,this.hasAnswer=!0,this.status=c.SessionStatus.STATUS_CONFIRMED;var d=e.ack();this.emit("ack",d.message),this.accepted(r)}break;case a.SignalingState.Closed:break;default:throw new Error("Unknown session signaling state.")}this.disposeEarlyMedia()}},t.prototype.onProgress=function(e){var t=this;if(!this.isCanceled){if(!this.outgoingInviteRequest)throw new Error("Outgoing INVITE request undefined.");if(!this.earlyMediaSessionDescriptionHandlers)throw new Error("Early media session description handlers undefined.");var r=e.message,i=e.session;if(this.status=c.SessionStatus.STATUS_1XX_RECEIVED,r.hasHeader("P-Asserted-Identity")&&(this.assertedIdentity=a.Grammar.nameAddrHeaderParse(r.getHeader("P-Asserted-Identity"))),!i)throw new Error("Session undefined.");var n=r.getHeader("require"),s=r.getHeader("rseq"),u=!!(n&&n.includes("100rel")&&s?Number(s):void 0),d=[];if(u&&d.push("RAck: "+r.getHeader("rseq")+" "+r.getHeader("cseq")),i.signalingState===a.SignalingState.Initial)return u&&(this.logger.warn("First reliable provisional response received MUST contain an offer when INVITE does not contain an offer."),e.prack({extraHeaders:d})),void this.emit("progress",r);if(i.signalingState===a.SignalingState.HaveLocalOffer)return u&&e.prack({extraHeaders:d}),void this.emit("progress",r);if(i.signalingState===a.SignalingState.HaveRemoteOffer){if(!u)return void this.logger.warn("Non-reliable provisional response MUST NOT contain an initial offer, discarding response.");var p=this.sessionDescriptionHandlerFactory(this,this.ua.configuration.sessionDescriptionHandlerFactoryOptions||{});return this.emit("SessionDescriptionHandler-created",p),this.earlyMediaSessionDescriptionHandlers.set(i.id,p),void p.setDescription(r.body,this.sessionDescriptionHandlerOptions,this.modifiers).then((function(){return p.getDescription(t.sessionDescriptionHandlerOptions,t.modifiers)})).then((function(i){var n={contentDisposition:"session",contentType:i.contentType,content:i.body};e.prack({extraHeaders:d,body:n}),t.status=c.SessionStatus.STATUS_EARLY_MEDIA,t.emit("progress",r)})).catch((function(e){t.status!==c.SessionStatus.STATUS_TERMINATED&&(t.failed(void 0,o.C.causes.WEBRTC_ERROR),t.terminated(void 0,o.C.causes.WEBRTC_ERROR))}))}return i.signalingState===a.SignalingState.Stable?(u&&e.prack({extraHeaders:d}),void this.emit("progress",r)):void 0}},t.prototype.onRedirect=function(e){this.disposeEarlyMedia();var t=e.message,r=t.statusCode,i=h.Utils.sipErrorCause(r||0);this.rejected(t,i),this.failed(t,i),this.terminated(t,i)},t.prototype.onReject=function(e){this.disposeEarlyMedia();var t=e.message,r=t.statusCode,i=h.Utils.sipErrorCause(r||0);this.rejected(t,i),this.failed(t,i),this.terminated(t,i)},t.prototype.onTrying=function(e){this.received100=!0,this.emit("progress",e.message)},t}(g);t.InviteClientContext=m},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(11),o=r(5),a=r(14),c=r(8),u=r(9),d=function(e){function t(t,r,i,n){void 0===n&&(n={});var o=e.call(this)||this;o.data={},o.method=s.C.SUBSCRIBE,o.body=void 0,o.type=c.TypeStrings.Subscription,o.ua=t,o.logger=t.getLogger("sip.subscription"),n.body&&(o.body={body:n.body,contentType:n.contentType?n.contentType:"application/sdp"});var a=t.normalizeTarget(r);if(!a)throw new TypeError("Invalid target: "+r);if(o.uri=a,o.event=i,void 0===n.expires?o.expires=3600:"number"!=typeof n.expires?(t.logger.warn('Option "expires" must be a number. Using default of 3600.'),o.expires=3600):o.expires=n.expires,o.extraHeaders=(n.extraHeaders||[]).slice(),o.context=o.initContext(),o.disposed=!1,o.request=o.context.message,!o.request.from)throw new Error("From undefined.");if(!o.request.to)throw new Error("From undefined.");return o.localIdentity=o.request.from,o.remoteIdentity=o.request.to,o.id=o.request.callId+o.request.from.parameters.tag+o.event,o.ua.subscriptions[o.id]=o,o}return i.__extends(t,e),t.prototype.dispose=function(){this.disposed||(this.retryAfterTimer&&(clearTimeout(this.retryAfterTimer),this.retryAfterTimer=void 0),this.context.dispose(),this.disposed=!0,delete this.ua.subscriptions[this.id])},t.prototype.on=function(t,r){return e.prototype.on.call(this,t,r)},t.prototype.emit=function(t){for(var r=[],n=1;n<arguments.length;n++)r[n-1]=arguments[n];return e.prototype.emit.apply(this,i.__spreadArrays([t],r))},t.prototype.close=function(){if(!this.disposed)switch(this.dispose(),this.context.state){case o.SubscriptionState.Initial:case o.SubscriptionState.NotifyWait:this.onTerminated();break;case o.SubscriptionState.Pending:case o.SubscriptionState.Active:this.unsubscribe();break;case o.SubscriptionState.Terminated:this.onTerminated()}},t.prototype.refresh=function(){var e=this;switch(this.context.state){case o.SubscriptionState.Initial:case o.SubscriptionState.NotifyWait:case o.SubscriptionState.Pending:break;case o.SubscriptionState.Active:if(this.subscription)this.subscription.refresh().delegate={onAccept:function(t){return e.onAccepted(t)},onRedirect:function(t){return e.onFailed(t)},onReject:function(t){return e.onFailed(t)}};break;case o.SubscriptionState.Terminated:}},t.prototype.subscribe=function(){var e=this;switch(this.context.state){case o.SubscriptionState.Initial:this.context.subscribe().then((function(t){t.success?(t.success.subscription&&(e.subscription=t.success.subscription,e.subscription.delegate={onNotify:function(t){return e.onNotify(t)},onRefresh:function(t){return e.onRefresh(t)},onTerminated:function(){return e.close()}}),e.onNotify(t.success.request)):t.failure&&e.onFailed(t.failure.response)}));break;case o.SubscriptionState.NotifyWait:case o.SubscriptionState.Pending:break;case o.SubscriptionState.Active:this.refresh();break;case o.SubscriptionState.Terminated:}return this},t.prototype.unsubscribe=function(){switch(this.dispose(),this.context.state){case o.SubscriptionState.Initial:case o.SubscriptionState.NotifyWait:break;case o.SubscriptionState.Pending:case o.SubscriptionState.Active:this.subscription&&this.subscription.unsubscribe();break;case o.SubscriptionState.Terminated:}this.onTerminated()},t.prototype.onAccepted=function(e){var t=e.message.statusCode?e.message.statusCode:0,r=u.Utils.getReasonPhrase(t);this.emit("accepted",e.message,r)},t.prototype.onFailed=function(e){if(this.close(),e){var t=e.message.statusCode?e.message.statusCode:0,r=u.Utils.getReasonPhrase(t);this.emit("failed",e.message,r),this.emit("rejected",e.message,r)}},t.prototype.onNotify=function(e){var t=this;if(e.accept(),this.emit("notify",{request:e.message}),!this.disposed){var r=e.message.parseHeader("Subscription-State");if(r&&r.state)switch(r.state){case"terminated":if(r.reason)switch(this.logger.log("Terminated subscription with reason "+r.reason),r.reason){case"deactivated":case"timeout":return this.initContext(),void this.subscribe();case"probation":case"giveup":return this.initContext(),void(r.params&&r.params["retry-after"]?this.retryAfterTimer=setTimeout((function(){return t.subscribe()}),r.params["retry-after"]):this.subscribe())}this.close()}}},t.prototype.onRefresh=function(e){var t=this;e.delegate={onAccept:function(e){return t.onAccepted(e)}}},t.prototype.onTerminated=function(){this.emit("terminated")},t.prototype.initContext=function(){var e=this,t={extraHeaders:this.extraHeaders,body:this.body?u.Utils.fromBodyObj(this.body):void 0};return this.context=new p(this.ua.userAgentCore,this.uri,this.event,this.expires,t),this.context.delegate={onAccept:function(t){return e.onAccepted(t)}},this.context},t}(n.EventEmitter);t.Subscription=d;var p=function(){function e(e,t,r,i,n,o){this.core=e,this.target=t,this.event=r,this.expires=i,this.subscribed=!1,this.logger=e.loggerFactory.getLogger("sip.subscription"),this.delegate=o;var c="Allow: "+a.AllowedMethods.toString(),u=(n&&n.extraHeaders||[]).slice();u.push(c),u.push("Event: "+this.event),u.push("Expires: "+this.expires),u.push("Contact: "+this.core.configuration.contact.toString());var d=n&&n.body;this.message=e.makeOutgoingRequestMessage(s.C.SUBSCRIBE,this.target,this.core.configuration.aor,this.target,{},u,d)}return e.prototype.dispose=function(){this.subscription&&this.subscription.dispose(),this.request&&(this.request.waitNotifyStop(),this.request.dispose())},Object.defineProperty(e.prototype,"state",{get:function(){return this.subscription?this.subscription.subscriptionState:this.subscribed?o.SubscriptionState.NotifyWait:o.SubscriptionState.Initial},enumerable:!0,configurable:!0}),e.prototype.subscribe=function(){var e=this;return this.subscribed?Promise.reject(new Error("Not in initial state. Did you call subscribe more than once?")):(this.subscribed=!0,new Promise((function(t,r){if(!e.message)throw new Error("Message undefined.");e.request=e.core.subscribe(e.message,{onAccept:function(t){e.delegate&&e.delegate.onAccept&&e.delegate.onAccept(t)},onNotify:function(r){e.subscription=r.subscription,e.subscription&&(e.subscription.autoRefresh=!0),t({success:r})},onNotifyTimeout:function(){t({failure:{}})},onRedirect:function(e){t({failure:{response:e}})},onReject:function(e){t({failure:{response:e}})}})})))},e}()},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(51),o=r(11),a=r(5),c=r(8),u=r(12),d=r(89),p=r(100),l=r(96),h=r(101),g=r(90),f=r(102),m=r(103),v=r(9),S=r(91),T=r(94),y=function(e){function t(r){var i=e.call(this)||this;if(i.unloadListener=function(){i.stop()},i.type=c.TypeStrings.UA,i.log=new a.LoggerFactory,i.logger=i.getLogger("sip.ua"),i.configuration={},i.applicants={},i.data={},i.sessions={},i.subscriptions={},i.publishers={},i.status=c.UAStatus.STATUS_INIT,void 0===r?r={}:("string"==typeof r||r instanceof String)&&(r={uri:r}),r.log&&(i.log.builtinEnabled=r.log.builtinEnabled,r.log.hasOwnProperty("connector")&&(i.log.connector=r.log.connector),r.log.hasOwnProperty("level"))){var n=r.log.level,s=void 0;if("string"==typeof n)switch(n){case"error":s=a.Levels.error;break;case"warn":s=a.Levels.warn;break;case"log":s=a.Levels.log;break;case"debug":s=a.Levels.debug}else switch(n){case 0:s=a.Levels.error;break;case 1:s=a.Levels.warn;break;case 2:s=a.Levels.log;break;case 3:s=a.Levels.debug}void 0===s?i.logger.error('Invalid "level" parameter value: '+JSON.stringify(n)):i.log.level=s}i.logger.warn("The UA class has been deprecated and will no longer be available starting with SIP.js release 0.16.0. The UA has been replaced by the UserAgent class. Please update accordingly.");try{i.loadConfig(r)}catch(e){throw i.status=c.UAStatus.STATUS_NOT_READY,i.error=t.C.CONFIGURATION_ERROR,e}if(!i.configuration.transportConstructor)throw new a.TransportError("Transport constructor not set");i.transport=new i.configuration.transportConstructor(i.getLogger("sip.transport"),i.configuration.transportOptions);var u=E(i),d={onInvite:function(e){e.trying(),e.delegate={onCancel:function(e){t.onCancel(e)},onTransportError:function(e){t.onTransportError()}};var t=new f.InviteServerContext(i,e);!function(e,t){if(i.configuration.replaces!==o.C.supported.UNSUPPORTED){var r=t.parseHeader("replaces");if(r){var n=i.sessions[r.call_id+r.replaces_from_tag]||i.sessions[r.call_id+r.replaces_to_tag]||void 0;if(!n)return void i.userAgentCore.replyStateless(t,{statusCode:481});if(n.status===c.SessionStatus.STATUS_TERMINATED)return void i.userAgentCore.replyStateless(t,{statusCode:603});var s=r.call_id+r.replaces_to_tag+r.replaces_from_tag,a=i.userAgentCore.dialogs.get(s);if(!a)return void i.userAgentCore.replyStateless(t,{statusCode:481});if(!a.early&&r.early_only)return void i.userAgentCore.replyStateless(t,{statusCode:486});e.replacee=n}}}(t,e.message),t.autoSendAnInitialProvisionalResponse&&t.progress(),i.emit("invite",t)},onMessage:function(e){var t=new g.ServerContext(i,e);t.body=e.message.body,t.contentType=e.message.getHeader("Content-Type")||"text/plain",e.accept(),i.emit("message",t)},onNotify:function(e){i.configuration.allowLegacyNotifications&&i.listeners("notify").length>0?(e.accept(),i.emit("notify",{request:e.message})):e.reject({statusCode:481})},onRefer:function(e){i.logger.log("Received an out of dialog refer"),i.configuration.allowOutOfDialogRefers||e.reject({statusCode:405}),i.logger.log("Allow out of dialog refers is enabled on the UA");var t=new l.ReferServerContext(i,e);i.listeners("outOfDialogReferRequested").length?i.emit("outOfDialogReferRequested",t):(i.logger.log("No outOfDialogReferRequest listeners, automatically accepting and following the out of dialog refer"),t.accept({followRefer:!0}))},onSubscribe:function(e){i.emit("subscribe",e)}};return i.userAgentCore=new a.UserAgentCore(u,d),i.registerContext=new h.RegisterContext(i,r.registerOptions),i.registerContext.on("failed",i.emit.bind(i,"registrationFailed")),i.registerContext.on("registered",i.emit.bind(i,"registered")),i.registerContext.on("unregistered",i.emit.bind(i,"unregistered")),i.configuration.autostart&&i.start(),i}return i.__extends(t,e),t.prototype.register=function(e){return void 0===e&&(e={}),e.register&&(this.configuration.register=!0),this.registerContext.register(e),this},t.prototype.unregister=function(e){var t=this;return this.configuration.register=!1,this.transport.afterConnected((function(){t.registerContext.unregister(e)})),this},t.prototype.isRegistered=function(){return this.registerContext.registered},t.prototype.invite=function(e,t,r){var i=this,n=new f.InviteClientContext(this,e,t,r);return this.transport.afterConnected((function(){n.invite(),i.emit("inviteSent",n)})),n},t.prototype.subscribe=function(e,t,r){var i=new m.Subscription(this,e,t,r);return this.transport.afterConnected((function(){return i.subscribe()})),i},t.prototype.publish=function(e,t,r,i){var n=new p.PublishContext(this,e,t,i);return this.transport.afterConnected((function(){n.publish(r)})),n},t.prototype.message=function(e,t,r){if(void 0===r&&(r={}),void 0===t)throw new TypeError("Not enough arguments");return r.contentType=r.contentType||"text/plain",r.body=t,this.request(o.C.MESSAGE,e,r)},t.prototype.request=function(e,t,r){var i=new s.ClientContext(this,e,t,r);return this.transport.afterConnected((function(){return i.send()})),i},t.prototype.stop=function(){if(this.logger.log("user requested closure..."),this.status===c.UAStatus.STATUS_USER_CLOSED)return this.logger.warn("UA already closed"),this;for(var e in this.logger.log("closing registerContext"),this.registerContext.close(),this.sessions)this.sessions[e]&&(this.logger.log("closing session "+e),this.sessions[e].terminate());for(var t in this.subscriptions)this.subscriptions[t]&&(this.logger.log("unsubscribe "+t),this.subscriptions[t].unsubscribe());for(var r in this.publishers)this.publishers[r]&&(this.logger.log("unpublish "+r),this.publishers[r].close());for(var i in this.applicants)this.applicants[i]&&this.applicants[i].close();if(this.status=c.UAStatus.STATUS_USER_CLOSED,this.transport.disconnect(),this.userAgentCore.reset(),this.configuration.autostop){var n=!("undefined"==typeof chrome||!chrome.app||!chrome.app.runtime);"undefined"==typeof window||"function"!=typeof window.removeEventListener||n||window.removeEventListener("unload",this.unloadListener)}return this},t.prototype.start=function(){if(this.logger.log("user requested startup..."),this.status===c.UAStatus.STATUS_INIT?(this.status=c.UAStatus.STATUS_STARTING,this.setTransportListeners(),this.emit("transportCreated",this.transport),this.transport.connect()):this.status===c.UAStatus.STATUS_USER_CLOSED?(this.logger.log("resuming"),this.status=c.UAStatus.STATUS_READY,this.transport.connect()):this.status===c.UAStatus.STATUS_STARTING?this.logger.log("UA is in STARTING status, not opening new connection"):this.status===c.UAStatus.STATUS_READY?this.logger.log("UA is in READY status, not resuming"):this.logger.error("Connection is down. Auto-Recovery system is trying to connect"),this.configuration.autostop){var e=!("undefined"==typeof chrome||!chrome.app||!chrome.app.runtime);"undefined"==typeof window||"function"!=typeof window.addEventListener||e||window.addEventListener("unload",this.unloadListener)}return this},t.prototype.normalizeTarget=function(e){return v.Utils.normalizeTarget(e,this.configuration.hostportParams)},t.prototype.getLogger=function(e,t){return this.log.getLogger(e,t)},t.prototype.getLoggerFactory=function(){return this.log},t.prototype.getSupportedResponseOptions=function(){var e=[];(this.contact.pubGruu||this.contact.tempGruu)&&e.push("gruu"),this.configuration.rel100===o.C.supported.SUPPORTED&&e.push("100rel"),this.configuration.replaces===o.C.supported.SUPPORTED&&e.push("replaces"),e.push("outbound"),e=e.concat(this.configuration.extraSupported||[]);var t=this.configuration.hackAllowUnregisteredOptionTags||!1,r={};return e=e.filter((function(e){var i=o.C.OPTION_TAGS[e],n=!r[e];return r[e]=!0,(i||t)&&n}))},t.prototype.findSession=function(e){return this.sessions[e.callId+e.fromTag]||this.sessions[e.callId+e.toTag]||void 0},t.prototype.on=function(t,r){return e.prototype.on.call(this,t,r)},t.prototype.onTransportError=function(){this.status!==c.UAStatus.STATUS_USER_CLOSED&&(this.error&&this.error===t.C.NETWORK_ERROR||(this.status=c.UAStatus.STATUS_NOT_READY,this.error=t.C.NETWORK_ERROR))},t.prototype.setTransportListeners=function(){var e=this;this.transport.on("connected",(function(){return e.onTransportConnected()})),this.transport.on("message",(function(t){return e.onTransportReceiveMsg(t)})),this.transport.on("transportError",(function(){return e.onTransportError()}))},t.prototype.onTransportConnected=function(){var e=this;this.configuration.register&&Promise.resolve().then((function(){return e.registerContext.register()}))},t.prototype.onTransportReceiveMsg=function(e){var t=this,r=d.Parser.parseMessage(e,this.getLogger("sip.parser"));if(r)if(this.status===c.UAStatus.STATUS_USER_CLOSED&&r instanceof a.IncomingRequestMessage)this.logger.warn("UA received message when status = USER_CLOSED - aborting");else{var i=function(){for(var e=0,i=["from","to","call_id","cseq","via"];e<i.length;e++){var n=i[e];if(!r.hasHeader(n))return t.logger.warn("Missing mandatory header field : "+n+"."),!1}return!0};if(r instanceof a.IncomingRequestMessage){if(!i())return void this.logger.warn("Request missing mandatory header field. Dropping.");if(!r.toTag&&r.callId.substr(0,5)===this.configuration.sipjsId)return void this.userAgentCore.replyStateless(r,{statusCode:482});var n=v.Utils.str_utf8_length(r.body);if((s=r.getHeader("content-length"))&&n<Number(s))return void this.userAgentCore.replyStateless(r,{statusCode:400})}if(r instanceof a.IncomingResponseMessage){if(!i())return void this.logger.warn("Response missing mandatory header field. Dropping.");if(r.getHeaders("via").length>1)return void this.logger.warn("More than one Via header field present in the response. Dropping.");if(r.via.host!==this.configuration.viaHost||void 0!==r.via.port)return void this.logger.warn("Via sent-by in the response does not match UA Via host value. Dropping.");var s;n=v.Utils.str_utf8_length(r.body);if((s=r.getHeader("content-length"))&&n<Number(s))return void this.logger.warn("Message body length is lower than the value in Content-Length header field. Dropping.")}if(r instanceof a.IncomingRequestMessage)this.userAgentCore.receiveIncomingRequestFromTransport(r);else{if(!(r instanceof a.IncomingResponseMessage))throw new Error("Invalid message type.");this.userAgentCore.receiveIncomingResponseFromTransport(r)}}else this.logger.warn("UA failed to parse incoming SIP message - discarding.")},t.prototype.checkAuthenticationFactory=function(e){if(e instanceof Function)return e.initialize||(e.initialize=function(){return Promise.resolve()}),e},t.prototype.loadConfig=function(e){var t=this,r={viaHost:v.Utils.createRandomToken(12)+".invalid",uri:new a.URI("sip","anonymous."+v.Utils.createRandomToken(6),"anonymous.invalid",void 0,void 0),custom:{},displayName:"",password:void 0,register:!0,registerOptions:{},transportConstructor:T.Transport,transportOptions:{},usePreloadedRoute:!1,userAgentString:o.C.USER_AGENT,noAnswerTimeout:60,hackViaTcp:!1,hackIpInContact:!1,hackWssInTransport:!1,hackAllowUnregisteredOptionTags:!1,sessionDescriptionHandlerFactoryOptions:{constraints:{},peerConnectionOptions:{}},extraSupported:[],contactName:v.Utils.createRandomToken(8),contactTransport:"ws",forceRport:!1,autostart:!0,autostop:!0,rel100:o.C.supported.UNSUPPORTED,dtmfType:o.C.dtmfType.INFO,replaces:o.C.supported.UNSUPPORTED,sessionDescriptionHandlerFactory:S.SessionDescriptionHandler.defaultFactory,authenticationFactory:this.checkAuthenticationFactory((function(e){return new a.DigestAuthentication(e.getLoggerFactory(),t.configuration.authorizationUser,t.configuration.password)})),allowLegacyNotifications:!1,allowOutOfDialogRefers:!1,experimentalFeatures:!1},i=this.getConfigurationCheck();for(var n in i.mandatory){if(!e.hasOwnProperty(n))throw new u.Exceptions.ConfigurationError(n);var s=e[n];if(void 0===(c=i.mandatory[n](s)))throw new u.Exceptions.ConfigurationError(n,s);r[n]=c}for(var n in i.optional)if(e.hasOwnProperty(n)){var c;if((s=e[n])instanceof Array&&0===s.length||null===s||""===s||void 0===s||"number"==typeof s&&isNaN(s))continue;if(void 0===(c=i.optional[n](s)))throw new u.Exceptions.ConfigurationError(n,s);r[n]=c}0===r.displayName&&(r.displayName="0"),r.sipjsId=v.Utils.createRandomToken(5);var d=r.uri.clone();if(d.user=void 0,r.hostportParams=d.toRaw().replace(/^sip:/i,""),r.authorizationUser||(r.authorizationUser=r.uri.user),r.noAnswerTimeout=1e3*r.noAnswerTimeout,r.hackIpInContact)if("boolean"==typeof r.hackIpInContact){var p=Math.floor(254*Math.random()+1);r.viaHost="192.0.2."+p}else"string"==typeof r.hackIpInContact&&(r.viaHost=r.hackIpInContact);r.hackWssInTransport&&(r.contactTransport="wss"),this.contact={pubGruu:void 0,tempGruu:void 0,uri:new a.URI("sip",r.contactName,r.viaHost,void 0,{transport:r.contactTransport}),toString:function(e){void 0===e&&(e={});var i=e.anonymous||!1,n=e.outbound||!1,s="<";return s+=i?(t.contact.tempGruu||"sip:anonymous@anonymous.invalid;transport="+r.contactTransport).toString():(t.contact.pubGruu||t.contact.uri).toString(),n&&(s+=";ob"),s+=">"}};var l={};for(var n in r)r.hasOwnProperty(n)&&(l[n]=r[n]);for(var n in Object.assign(this.configuration,l),this.logger.log("configuration parameters after validation:"),r)if(r.hasOwnProperty(n))switch(n){case"uri":case"sessionDescriptionHandlerFactory":this.logger.log("\xb7 "+n+": "+r[n]);break;case"password":this.logger.log("\xb7 "+n+": NOT SHOWN");break;case"transportConstructor":this.logger.log("\xb7 "+n+": "+r[n].name);break;default:this.logger.log("\xb7 "+n+": "+JSON.stringify(r[n]))}},t.prototype.getConfigurationCheck=function(){return{mandatory:{},optional:{uri:function(e){/^sip:/i.test(e)||(e=o.C.SIP+":"+e);var t=a.Grammar.URIParse(e);return t&&t.user?t:void 0},transportConstructor:function(e){if(e instanceof Function)return e},transportOptions:function(e){if("object"==typeof e)return e},authorizationUser:function(e){return-1===a.Grammar.parse('"'+e+'"',"quoted_string")?void 0:e},displayName:function(e){return-1===a.Grammar.parse('"'+e+'"',"displayName")?void 0:e},dtmfType:function(e){switch(e){case o.C.dtmfType.RTP:return o.C.dtmfType.RTP;case o.C.dtmfType.INFO:default:return o.C.dtmfType.INFO}},hackViaTcp:function(e){if("boolean"==typeof e)return e},hackIpInContact:function(e){return"boolean"==typeof e?e:"string"==typeof e&&-1!==a.Grammar.parse(e,"host")?e:void 0},hackWssInTransport:function(e){if("boolean"==typeof e)return e},hackAllowUnregisteredOptionTags:function(e){if("boolean"==typeof e)return e},contactTransport:function(e){if("string"==typeof e)return e},extraSupported:function(e){if(e instanceof Array){for(var t=0,r=e;t<r.length;t++){if("string"!=typeof r[t])return}return e}},forceRport:function(e){if("boolean"==typeof e)return e},noAnswerTimeout:function(e){if(v.Utils.isDecimal(e)){var t=Number(e);if(t>0)return t}},password:function(e){return String(e)},rel100:function(e){return e===o.C.supported.REQUIRED?o.C.supported.REQUIRED:e===o.C.supported.SUPPORTED?o.C.supported.SUPPORTED:o.C.supported.UNSUPPORTED},replaces:function(e){return e===o.C.supported.REQUIRED?o.C.supported.REQUIRED:e===o.C.supported.SUPPORTED?o.C.supported.SUPPORTED:o.C.supported.UNSUPPORTED},register:function(e){if("boolean"==typeof e)return e},registerOptions:function(e){if("object"==typeof e)return e},usePreloadedRoute:function(e){if("boolean"==typeof e)return e},userAgentString:function(e){if("string"==typeof e)return e},autostart:function(e){if("boolean"==typeof e)return e},autostop:function(e){if("boolean"==typeof e)return e},sessionDescriptionHandlerFactory:function(e){if(e instanceof Function)return e},sessionDescriptionHandlerFactoryOptions:function(e){if("object"==typeof e)return e},authenticationFactory:this.checkAuthenticationFactory,allowLegacyNotifications:function(e){if("boolean"==typeof e)return e},custom:function(e){if("object"==typeof e)return e},contactName:function(e){if("string"==typeof e)return e},experimentalFeatures:function(e){if("boolean"==typeof e)return e}}}},t.C={STATUS_INIT:0,STATUS_STARTING:1,STATUS_READY:2,STATUS_USER_CLOSED:3,STATUS_NOT_READY:4,CONFIGURATION_ERROR:1,NETWORK_ERROR:2,ALLOWED_METHODS:["ACK","CANCEL","INVITE","MESSAGE","BYE","OPTIONS","INFO","NOTIFY","REFER"],ACCEPTED_BODY_TYPES:["application/sdp","application/dtmf-relay"],MAX_FORWARDS:70,TAG_LENGTH:10},t}(n.EventEmitter);function E(e){if(!(e.configuration.uri instanceof a.URI))throw new Error("Configuration URI not instance of URI.");var t=e.configuration.uri,r=e.contact,i=e.configuration.displayName?e.configuration.displayName:"",n=!!e.configuration.hackViaTcp,s=e.configuration.usePreloadedRoute&&e.transport.server&&e.transport.server.sipUri?[e.transport.server.sipUri]:[],c=e.configuration.sipjsId||v.Utils.createRandomToken(5),u=[];u.push("outbound"),e.configuration.rel100===o.C.supported.SUPPORTED&&u.push("100rel"),e.configuration.replaces===o.C.supported.SUPPORTED&&u.push("replaces"),e.configuration.extraSupported&&u.push.apply(u,e.configuration.extraSupported),e.configuration.hackAllowUnregisteredOptionTags||(u=u.filter((function(e){return o.C.OPTION_TAGS[e]}))),u=Array.from(new Set(u));var d=e.getSupportedResponseOptions(),p=e.configuration.userAgentString||"sipjs";if(!e.configuration.viaHost)throw new Error("Configuration via host undefined");var l=!!e.configuration.forceRport,h=e.configuration.viaHost;return{aor:t,contact:r,displayName:i,hackViaTcp:n,loggerFactory:e.getLoggerFactory(),routeSet:s,sipjsId:c,supportedOptionTags:u,supportedOptionTagsResponse:d,userAgentHeaderFieldValue:p,viaForceRport:l,viaHost:h,authenticationFactory:function(){if(e.configuration.authenticationFactory)return e.configuration.authenticationFactory(e)},transportAccessor:function(){return e.transport}}}t.UA=y,function(e){!function(e){e.RTP="rtp",e.INFO="info"}(e.DtmfType||(e.DtmfType={}))}(y=t.UA||(t.UA={})),t.UA=y,t.makeUserAgentCoreConfigurationFromUA=E},,,,,function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(5);t.DigestAuthentication=n.DigestAuthentication,t.Grammar=n.Grammar,t.IncomingRequest=n.IncomingRequestMessage,t.IncomingResponse=n.IncomingResponseMessage,t.LoggerFactory=n.LoggerFactory,t.NameAddrHeader=n.NameAddrHeader,t.OutgoingRequest=n.OutgoingRequestMessage,t.Timers=n.Timers,t.Transport=n.Transport,t.URI=n.URI;var s=r(51);t.ClientContext=s.ClientContext;var o=r(11);t.C=o.C;var a=r(8);t.DialogStatus=a.DialogStatus,t.SessionStatus=a.SessionStatus,t.TypeStrings=a.TypeStrings,t.UAStatus=a.UAStatus;var c=r(12);t.Exceptions=c.Exceptions;var u=r(89);t.Parser=u.Parser;var d=r(100);t.PublishContext=d.PublishContext;var p=r(96);t.ReferClientContext=p.ReferClientContext,t.ReferServerContext=p.ReferServerContext;var l=r(101);t.RegisterContext=l.RegisterContext;var h=r(90);t.ServerContext=h.ServerContext;var g=r(102);t.InviteClientContext=g.InviteClientContext,t.InviteServerContext=g.InviteServerContext,t.Session=g.Session;var f=r(103);t.Subscription=f.Subscription;var m=r(1),v={InviteClientTransaction:m.InviteClientTransaction,InviteServerTransaction:m.InviteServerTransaction,NonInviteClientTransaction:m.NonInviteClientTransaction,NonInviteServerTransaction:m.NonInviteServerTransaction};t.Transactions=v;var S=r(104);t.makeUserAgentCoreConfigurationFromUA=S.makeUserAgentCoreConfigurationFromUA,t.UA=S.UA;var T=r(9);t.Utils=T.Utils;var y=i.__importStar(r(111));t.Web=y;var E=o.C.version;t.version=E;t.name="sip.js";var b=i.__importStar(r(5));t.Core=b},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0),n=r(7),s=r(11),o=r(8),a=r(12),c=r(9),u=function(e){function t(t,r,i){void 0===i&&(i={});var n=e.call(this)||this;if(n.C={MIN_DURATION:70,MAX_DURATION:6e3,DEFAULT_DURATION:100,MIN_INTER_TONE_GAP:50,DEFAULT_INTER_TONE_GAP:500},n.type=o.TypeStrings.DTMF,void 0===r)throw new TypeError("Not enough arguments");if(n.logger=t.ua.getLogger("sip.invitecontext.dtmf",t.id),n.owner=t,"string"==typeof r)r=r.toUpperCase();else{if("number"!=typeof r)throw new TypeError("Invalid tone: "+r);r=r.toString()}if(!r.match(/^[0-9A-D#*]$/))throw new TypeError("Invalid tone: "+r);n.tone=r;var s=i.duration,a=i.interToneGap;if(s&&!c.Utils.isDecimal(s))throw new TypeError("Invalid tone duration: "+s);if(s?s<n.C.MIN_DURATION?(n.logger.warn("'duration' value is lower than the minimum allowed, setting it to "+n.C.MIN_DURATION+" milliseconds"),s=n.C.MIN_DURATION):s>n.C.MAX_DURATION?(n.logger.warn("'duration' value is greater than the maximum allowed, setting it to "+n.C.MAX_DURATION+" milliseconds"),s=n.C.MAX_DURATION):s=Math.abs(s):s=n.C.DEFAULT_DURATION,n.duration=s,a&&!c.Utils.isDecimal(a))throw new TypeError("Invalid interToneGap: "+a);return a?a<n.C.MIN_INTER_TONE_GAP?(n.logger.warn("'interToneGap' value is lower than the minimum allowed, setting it to "+n.C.MIN_INTER_TONE_GAP+" milliseconds"),a=n.C.MIN_INTER_TONE_GAP):a=Math.abs(a):a=n.C.DEFAULT_INTER_TONE_GAP,n.interToneGap=a,n}return i.__extends(t,e),t.prototype.send=function(e){if(void 0===e&&(e={}),this.owner.status!==o.SessionStatus.STATUS_CONFIRMED&&this.owner.status!==o.SessionStatus.STATUS_WAITING_FOR_ACK)throw new a.Exceptions.InvalidStateError(this.owner.status);var t=e.extraHeaders?e.extraHeaders.slice():[],r={contentType:"application/dtmf-relay",body:"Signal= "+this.tone+"\r\nDuration= "+this.duration};if(this.owner.session){var i=this.owner.session.info(void 0,{extraHeaders:t,body:c.Utils.fromBodyObj(r)});this.owner.emit("dtmf",i.message,this)}else;},t.prototype.init_incoming=function(e){e.accept(),this.tone&&this.duration?this.owner.emit("dtmf",e.message,this):this.logger.warn("invalid INFO DTMF received, discarded")},t.prototype.receiveResponse=function(e){var t=e&&e.statusCode?e.statusCode:0;switch(!0){case/^1[0-9]{2}$/.test(t.toString()):break;case/^2[0-9]{2}$/.test(t.toString()):this.emit("succeeded",{originator:"remote",response:e});break;default:var r=c.Utils.sipErrorCause(t);this.emit("failed",e,r)}},t.prototype.onRequestTimeout=function(){this.emit("failed",void 0,s.C.causes.REQUEST_TIMEOUT),this.owner.onRequestTimeout()},t.prototype.onTransportError=function(){this.emit("failed",void 0,s.C.causes.CONNECTION_ERROR),this.owner.onTransportError()},t.prototype.onDialogError=function(e){this.emit("failed",e,s.C.causes.DIALOG_ERROR),this.owner.onDialogError(e)},t}(n.EventEmitter);t.DTMF=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(0).__importStar(r(87));t.Modifiers=i;var n=r(112);t.Simple=n.Simple;var s=r(91);t.SessionDescriptionHandler=s.SessionDescriptionHandler;var o=r(94);t.Transport=o.Transport},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i,n=r(0),s=r(7),o=r(104),a=n.__importStar(r(87));!function(e){e[e.STATUS_NULL=0]="STATUS_NULL",e[e.STATUS_NEW=1]="STATUS_NEW",e[e.STATUS_CONNECTING=2]="STATUS_CONNECTING",e[e.STATUS_CONNECTED=3]="STATUS_CONNECTED",e[e.STATUS_COMPLETED=4]="STATUS_COMPLETED"}(i=t.SimpleStatus||(t.SimpleStatus={}));var c=function(e){function t(t){var r=e.call(this)||this;if(t.media.remote.video?r.video=!0:r.video=!1,t.media.remote.audio?r.audio=!0:r.audio=!1,!r.audio&&!r.video)throw new Error("At least one remote audio or video element is required for Simple.");r.options=t;var n=navigator.userAgent.toLowerCase(),s=!1,c=!1;n.indexOf("safari")>-1&&n.indexOf("chrome")<0?s=!0:n.indexOf("firefox")>-1&&n.indexOf("chrome")<0&&(c=!0);var u={};return s&&(u.modifiers=[a.stripG722]),c&&(u.alwaysAcquireMediaFirst=!0),r.options.ua.uri?r.anonymous=!1:r.anonymous=!0,r.ua=new o.UA({uri:r.options.ua.uri,authorizationUser:r.options.ua.authorizationUser,password:r.options.ua.password,displayName:r.options.ua.displayName,userAgentString:r.options.ua.userAgentString,register:!0,sessionDescriptionHandlerFactoryOptions:u,transportOptions:{traceSip:r.options.ua.traceSip,wsServers:r.options.ua.wsServers}}),r.state=i.STATUS_NULL,r.logger=r.ua.getLogger("sip.simple"),r.ua.on("registered",(function(){r.emit("registered",r.ua)})),r.ua.on("unregistered",(function(){r.emit("unregistered",r.ua)})),r.ua.on("registrationFailed",(function(){r.emit("unregistered",r.ua)})),r.ua.on("invite",(function(e){if(r.state!==i.STATUS_NULL&&r.state!==i.STATUS_COMPLETED)return r.logger.warn("Rejecting incoming call. Simple only supports 1 call at a time"),void e.reject();r.session=e,r.setupSession(),r.emit("ringing",r.session)})),r.ua.on("message",(function(e){r.emit("message",e)})),r}return n.__extends(t,e),t.prototype.call=function(e){if(this.ua&&this.checkRegistration()){if(this.state===i.STATUS_NULL||this.state===i.STATUS_COMPLETED)return this.options.media.remote.audio&&(this.options.media.remote.audio.autoplay=!0),this.options.media.remote.video&&(this.options.media.remote.video.autoplay=!0),this.options.media.local&&this.options.media.local.video&&(this.options.media.local.video.autoplay=!0,this.options.media.local.video.volume=0),this.session=this.ua.invite(e,{sessionDescriptionHandlerOptions:{constraints:{audio:this.audio,video:this.video}}}),this.setupSession(),this.session;this.logger.warn("Cannot make more than a single call with Simple")}else this.logger.warn("A registered UA is required for calling")},t.prototype.answer=function(){if(this.state===i.STATUS_NEW||this.state===i.STATUS_CONNECTING)return this.options.media.remote.audio&&(this.options.media.remote.audio.autoplay=!0),this.options.media.remote.video&&(this.options.media.remote.video.autoplay=!0),this.session.accept({sessionDescriptionHandlerOptions:{constraints:{audio:this.audio,video:this.video}}});this.logger.warn("No call to answer")},t.prototype.reject=function(){if(this.state===i.STATUS_NEW||this.state===i.STATUS_CONNECTING)return this.session.reject();this.logger.warn("Call is already answered")},t.prototype.hangup=function(){if(this.state===i.STATUS_CONNECTED||this.state===i.STATUS_CONNECTING||this.state===i.STATUS_NEW)return this.state!==i.STATUS_CONNECTED?this.session.cancel():this.session?this.session.bye():void 0;this.logger.warn("No active call to hang up on")},t.prototype.hold=function(){if(this.state===i.STATUS_CONNECTED&&this.session&&!this.session.localHold)return this.mute(),this.logger.log("Placing session on hold"),this.session.hold();this.logger.warn("Cannot put call on hold")},t.prototype.unhold=function(){if(this.state===i.STATUS_CONNECTED&&this.session&&this.session.localHold)return this.unmute(),this.logger.log("Placing call off hold"),this.session.unhold();this.logger.warn("Cannot unhold a call that is not on hold")},t.prototype.mute=function(){this.state===i.STATUS_CONNECTED?(this.logger.log("Muting Audio"),this.toggleMute(!0),this.emit("mute",this)):this.logger.warn("An acitve call is required to mute audio")},t.prototype.unmute=function(){this.state===i.STATUS_CONNECTED?(this.logger.log("Unmuting Audio"),this.toggleMute(!1),this.emit("unmute",this)):this.logger.warn("An active call is required to unmute audio")},t.prototype.sendDTMF=function(e){this.state===i.STATUS_CONNECTED&&this.session?(this.logger.log("Sending DTMF tone: "+e),this.session.dtmf(e)):this.logger.warn("An active call is required to send a DTMF tone")},t.prototype.message=function(e,t){this.ua&&this.checkRegistration()?e&&t?this.ua.message(e,t):this.logger.warn("A destination and message are required to send a message"):this.logger.warn("A registered UA is required to send a message")},t.prototype.checkRegistration=function(){return this.anonymous||this.ua&&this.ua.isRegistered()},t.prototype.setupRemoteMedia=function(){var e=this;if(this.session){var t,r=this.session.sessionDescriptionHandler.peerConnection;r.getReceivers?(t=new MediaStream,r.getReceivers().forEach((function(e){var r=e.track;r&&t.addTrack(r)}))):t=r.getRemoteStreams()[0],this.video?(this.options.media.remote.video.srcObject=t,this.options.media.remote.video.play().catch((function(){e.logger.log("play was rejected")}))):this.audio&&(this.options.media.remote.audio.srcObject=t,this.options.media.remote.audio.play().catch((function(){e.logger.log("play was rejected")})))}else this.logger.warn("No session to set remote media on")},t.prototype.setupLocalMedia=function(){if(this.session){if(this.video&&this.options.media.local&&this.options.media.local.video){var e,t=this.session.sessionDescriptionHandler.peerConnection;t.getSenders?(e=new MediaStream,t.getSenders().forEach((function(t){var r=t.track;r&&"video"===r.kind&&e.addTrack(r)}))):e=t.getLocalStreams()[0],this.options.media.local.video.srcObject=e,this.options.media.local.video.volume=0,this.options.media.local.video.play()}}else this.logger.warn("No session to set local media on")},t.prototype.cleanupMedia=function(){this.video&&(this.options.media.remote.video.srcObject=null,this.options.media.remote.video.pause(),this.options.media.local&&this.options.media.local.video&&(this.options.media.local.video.srcObject=null,this.options.media.local.video.pause())),this.audio&&(this.options.media.remote.audio.srcObject=null,this.options.media.remote.audio.pause())},t.prototype.setupSession=function(){var e=this;this.session?(this.state=i.STATUS_NEW,this.emit("new",this.session),this.session.on("progress",(function(){return e.onProgress()})),this.session.on("accepted",(function(){return e.onAccepted()})),this.session.on("rejected",(function(){return e.onEnded()})),this.session.on("failed",(function(){return e.onFailed()})),this.session.on("terminated",(function(){return e.onEnded()}))):this.logger.warn("No session to set up")},t.prototype.destroyMedia=function(){this.session&&this.session.sessionDescriptionHandler&&this.session.sessionDescriptionHandler.close()},t.prototype.toggleMute=function(e){if(this.session){var t=this.session.sessionDescriptionHandler.peerConnection;t.getSenders?t.getSenders().forEach((function(t){t.track&&(t.track.enabled=!e)})):t.getLocalStreams().forEach((function(t){t.getAudioTracks().forEach((function(t){t.enabled=!e})),t.getVideoTracks().forEach((function(t){t.enabled=!e}))}))}else this.logger.warn("No session to toggle mute")},t.prototype.onAccepted=function(){var e=this;this.session?(this.state=i.STATUS_CONNECTED,this.emit("connected",this.session),this.setupLocalMedia(),this.setupRemoteMedia(),this.session.sessionDescriptionHandler&&(this.session.sessionDescriptionHandler.on("addTrack",(function(){e.logger.log("A track has been added, triggering new remoteMedia setup"),e.setupRemoteMedia()})),this.session.sessionDescriptionHandler.on("addStream",(function(){e.logger.log("A stream has been added, trigger new remoteMedia setup"),e.setupRemoteMedia()}))),this.session.on("dtmf",(function(t,r){e.emit("dtmf",r.tone)})),this.session.on("bye",(function(){return e.onEnded()}))):this.logger.warn("No session for accepting")},t.prototype.onProgress=function(){this.state=i.STATUS_CONNECTING,this.emit("connecting",this.session)},t.prototype.onFailed=function(){this.onEnded()},t.prototype.onEnded=function(){this.state=i.STATUS_COMPLETED,this.emit("ended",this.session),this.cleanupMedia()},t.C=i,t}(s.EventEmitter);t.Simple=c}])}));
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