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n;(u.debug("notify()"),!1!==this._active)&&(t=t||o.REASON_PHRASE[e]||"",n=e>=200?"terminated;reason=noresource":"active;expires=".concat(this._expires),this._session.sendRequest(o.NOTIFY,{extraHeaders:["Event: ".concat(a.event_type,";id=").concat(this._id),"Subscription-State: ".concat(n),"Content-Type: ".concat(a.body_type)],body:"SIP/2.0 ".concat(e," ").concat(t),eventHandlers:{onErrorResponse:function(){this._active=!1}}}))}}]),e}()},"235f":function(e,t,n){"use strict";var r=n("8a18");e.exports={USER_AGENT:"".concat(r.title," ").concat(r.version),SIP:"sip",SIPS:"sips",causes:{CONNECTION_ERROR:"Connection Error",REQUEST_TIMEOUT:"Request Timeout",SIP_FAILURE_CODE:"SIP Failure Code",INTERNAL_ERROR:"Internal Error",BUSY:"Busy",REJECTED:"Rejected",REDIRECTED:"Redirected",UNAVAILABLE:"Unavailable",NOT_FOUND:"Not Found",ADDRESS_INCOMPLETE:"Address Incomplete",INCOMPATIBLE_SDP:"Incompatible SDP",MISSING_SDP:"Missing SDP",AUTHENTICATION_ERROR:"Authentication Error",BYE:"Terminated",WEBRTC_ERROR:"WebRTC Error",CANCELED:"Canceled",NO_ANSWER:"No Answer",EXPIRES:"Expires",NO_ACK:"No ACK",DIALOG_ERROR:"Dialog Error",USER_DENIED_MEDIA_ACCESS:"User Denied Media Access",BAD_MEDIA_DESCRIPTION:"Bad Media Description",RTP_TIMEOUT:"RTP Timeout"},SIP_ERROR_CAUSES:{REDIRECTED:[300,301,302,305,380],BUSY:[486,600],REJECTED:[403,603],NOT_FOUND:[404,604],UNAVAILABLE:[480,410,408,430],ADDRESS_INCOMPLETE:[484,424],INCOMPATIBLE_SDP:[488,606],AUTHENTICATION_ERROR:[401,407]},ACK:"ACK",BYE:"BYE",CANCEL:"CANCEL",INFO:"INFO",INVITE:"INVITE",MESSAGE:"MESSAGE",NOTIFY:"NOTIFY",OPTIONS:"OPTIONS",REGISTER:"REGISTER",REFER:"REFER",UPDATE:"UPDATE",SUBSCRIBE:"SUBSCRIBE",DTMF_TRANSPORT:{INFO:"INFO",RFC2833:"RFC2833"},REASON_PHRASE:{100:"Trying",180:"Ringing",181:"Call Is Being Forwarded",182:"Queued",183:"Session Progress",199:"Early Dialog Terminated",200:"OK",202:"Accepted",204:"No Notification",300:"Multiple Choices",301:"Moved Permanently",302:"Moved Temporarily",305:"Use Proxy",380:"Alternative Service",400:"Bad Request",401:"Unauthorized",402:"Payment Required",403:"Forbidden",404:"Not Found",405:"Method Not Allowed",406:"Not Acceptable",407:"Proxy Authentication Required",408:"Request Timeout",410:"Gone",412:"Conditional Request Failed",413:"Request Entity Too Large",414:"Request-URI Too Long",415:"Unsupported Media Type",416:"Unsupported URI Scheme",417:"Unknown Resource-Priority",420:"Bad Extension",421:"Extension Required",422:"Session Interval Too Small",423:"Interval Too Brief",424:"Bad Location Information",428:"Use Identity Header",429:"Provide Referrer Identity",430:"Flow Failed",433:"Anonymity Disallowed",436:"Bad Identity-Info",437:"Unsupported Certificate",438:"Invalid Identity Header",439:"First Hop Lacks Outbound Support",440:"Max-Breadth Exceeded",469:"Bad Info Package",470:"Consent Needed",478:"Unresolvable Destination",480:"Temporarily Unavailable",481:"Call/Transaction Does Not Exist",482:"Loop Detected",483:"Too Many Hops",484:"Address Incomplete",485:"Ambiguous",486:"Busy Here",487:"Request Terminated",488:"Not Acceptable Here",489:"Bad Event",491:"Request Pending",493:"Undecipherable",494:"Security Agreement Required",500:"JsSIP Internal Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Server Time-out",505:"Version Not Supported",513:"Message Too Large",580:"Precondition Failure",600:"Busy Everywhere",603:"Decline",604:"Does Not Exist Anywhere",606:"Not Acceptable"},ALLOWED_METHODS:"INVITE,ACK,CANCEL,BYE,UPDATE,MESSAGE,OPTIONS,REFER,INFO,NOTIFY",ACCEPTED_BODY_TYPES:"application/sdp, application/dtmf-relay",MAX_FORWARDS:69,SESSION_EXPIRES:90,MIN_SESSION_EXPIRES:60,CONNECTION_RECOVERY_MAX_INTERVAL:30,CONNECTION_RECOVERY_MIN_INTERVAL:2}},"2c5f":function(e,t,n){"use strict";function r(e){return r="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"===typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},r(e)}function l(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function s(e,t,n){return t&&i(e.prototype,t),n&&i(e,n),e}function o(e,t){if("function"!==typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&u(e,t)}function u(e,t){return u=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},u(e,t)}function a(e){var t=f();return function(){var n,r=d(e);if(t){var l=d(this).constructor;n=Reflect.construct(r,arguments,l)}else n=r.apply(this,arguments);return c(this,n)}}function c(e,t){return!t||"object"!==r(t)&&"function"!==typeof t?h(e):t}function h(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function f(){if("undefined"===typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"===typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(e){return!1}}function d(e){return d=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)},d(e)}var _=n("0f27").EventEmitter,p=n("8780"),m=n("235f"),v=n("455e"),g=n("af27"),y=n("be33"),T=n("06fc"),b=new p("Options");e.exports=function(e){o(n,e);var t=a(n);function n(e){var r;return l(this,n),r=t.call(this),r._ua=e,r._request=null,r._closed=!1,r._direction=null,r._local_identity=null,r._remote_identity=null,r._is_replied=!1,r._data={},r}return s(n,[{key:"send",value:function(e,t){var n=this,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},l=e;if(void 0===e)throw new TypeError("A target is required for OPTIONS");if(e=this._ua.normalizeTarget(e),!e)throw new TypeError("Invalid target: ".concat(l));var i=g.cloneArray(r.extraHeaders),s=g.cloneObject(r.eventHandlers),o=r.contentType||"application/sdp";for(var u in s)Object.prototype.hasOwnProperty.call(s,u)&&this.on(u,s[u]);i.push("Content-Type: ".concat(o)),this._request=new v.OutgoingRequest(m.OPTIONS,e,this._ua,null,i),t&&(this._request.body=t);var a=new y(this._ua,this._request,{onRequestTimeout:function(){n._onRequestTimeout()},onTransportError:function(){n._onTransportError()},onReceiveResponse:function(e){n._receiveResponse(e)}});this._newOptions("local",this._request),a.send()}},{key:"init_incoming",value:function(e){this._request=e,this._newOptions("remote",e),this._is_replied||(this._is_replied=!0,e.reply(200)),this._close()}},{key:"accept",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=g.cloneArray(e.extraHeaders),n=e.body;if("incoming"!==this._direction)throw new T.NotSupportedError('"accept" not supported for outgoing Options');if(this._is_replied)throw new Error("incoming Options already replied");this._is_replied=!0,this._request.reply(200,null,t,n)}},{key:"reject",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.status_code||480,n=e.reason_phrase,r=g.cloneArray(e.extraHeaders),l=e.body;if("incoming"!==this._direction)throw new T.NotSupportedError('"reject" not supported for outgoing Options');if(this._is_replied)throw new Error("incoming Options already replied");if(t<300||t>=700)throw new TypeError("Invalid status_code: ".concat(t));this._is_replied=!0,this._request.reply(t,n,r,l)}},{key:"_receiveResponse",value:function(e){if(!this._closed)switch(!0){case/^1[0-9]{2}$/.test(e.status_code):break;case/^2[0-9]{2}$/.test(e.status_code):this._succeeded("remote",e);break;default:var t=g.sipErrorCause(e.status_code);this._failed("remote",e,t);break}}},{key:"_onRequestTimeout",value:function(){this._closed||this._failed("system",null,m.causes.REQUEST_TIMEOUT)}},{key:"_onTransportError",value:function(){this._closed||this._failed("system",null,m.causes.CONNECTION_ERROR)}},{key:"_close",value:function(){this._closed=!0,this._ua.destroyMessage(this)}},{key:"_newOptions",value:function(e,t){"remote"===e?(this._direction="incoming",this._local_identity=t.to,this._remote_identity=t.from):"local"===e&&(this._direction="outgoing",this._local_identity=t.from,this._remote_identity=t.to),this._ua.newOptions(this,{originator:e,message:this,request:t})}},{key:"_failed",value:function(e,t,n){b.debug("OPTIONS failed"),this._close(),b.debug('emit "failed"'),this.emit("failed",{originator:e,response:t||null,cause:n})}},{key:"_succeeded",value:function(e,t){b.debug("OPTIONS succeeded"),this._close(),b.debug('emit "succeeded"'),this.emit("succeeded",{originator:e,response:t})}},{key:"direction",get:function(){return this._direction}},{key:"local_identity",get:function(){return this._local_identity}},{key:"remote_identity",get:function(){return this._remote_identity}}]),n}(_)},"2cfd":function(e,t,n){"use strict";var r=n("2ad9");e.exports=/Version\/10(?:\.\d+){1,2}(?: [\w./]+)?(?: Mobile\/\w+)? Safari\//.test(r)},"361a":function(e,t,n){"use strict";function r(e){return r="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"===typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},r(e)}function l(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function s(e,t,n){return t&&i(e.prototype,t),n&&i(e,n),e}function o(e,t){if("function"!==typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&u(e,t)}function u(e,t){return u=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},u(e,t)}function a(e){var t=f();return function(){var n,r=d(e);if(t){var l=d(this).constructor;n=Reflect.construct(r,arguments,l)}else n=r.apply(this,arguments);return c(this,n)}}function c(e,t){return!t||"object"!==r(t)&&"function"!==typeof t?h(e):t}function h(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function f(){if("undefined"===typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"===typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(e){return!1}}function d(e){return d=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)},d(e)}var _=n("0f27").EventEmitter,p=n("8780"),m=n("235f"),v=n("8e65"),g=n("fc06"),y=n("ddc8"),T=n("2c5f"),b=n("5ef6"),C=n("7b6b"),S=n("af27"),E=n("06fc"),A=n("5b94"),w=n("8011"),R=n("455e"),I=n("f368"),O=n("9f7f"),k=new p("UA"),N={STATUS_INIT:0,STATUS_READY:1,STATUS_USER_CLOSED:2,STATUS_NOT_READY:3,CONFIGURATION_ERROR:1,NETWORK_ERROR:2};function D(e){this.emit("connecting",e)}function x(e){this._status!==N.STATUS_USER_CLOSED&&(this._status=N.STATUS_READY,this._error=null,this.emit("connected",e),this._dynConfiguration.register&&this._registrator.register())}function P(e){for(var t=["nict","ict","nist","ist"],n=0,r=t;n<r.length;n++){var l=r[n];for(var i in this._transactions[l])Object.prototype.hasOwnProperty.call(this._transactions[l],i)&&this._transactions[l][i].onTransportError()}this.emit("disconnected",e),this._registrator.onTransportClosed(),this._status!==N.STATUS_USER_CLOSED&&(this._status=N.STATUS_NOT_READY,this._error=N.NETWORK_ERROR)}function U(e){var t=e.transport,n=e.message;if(n=w.parseMessage(n,this),n&&!(this._status===N.STATUS_USER_CLOSED&&n instanceof R.IncomingRequest)&&I(n,this,t))if(n instanceof R.IncomingRequest)n.transport=t,this.receiveRequest(n);else if(n instanceof R.IncomingResponse){var r;switch(n.method){case m.INVITE:r=this._transactions.ict[n.via_branch],r&&r.receiveResponse(n);break;case m.ACK:break;default:r=this._transactions.nict[n.via_branch],r&&r.receiveResponse(n);break}}}e.exports=function(e){o(n,e);var t=a(n);function n(e){var r;if(l(this,n),k.debug("new() [configuration:%o]",e),r=t.call(this),r._cache={credentials:{}},r._configuration=Object.assign({},O.settings),r._dynConfiguration={},r._dialogs={},r._applicants={},r._sessions={},r._transport=null,r._contact=null,r._status=N.STATUS_INIT,r._error=null,r._transactions={nist:{},nict:{},ist:{},ict:{}},r._data={},r._closeTimer=null,void 0===e)throw new TypeError("Not enough arguments");try{r._loadConfig(e)}catch(i){throw r._status=N.STATUS_NOT_READY,r._error=N.CONFIGURATION_ERROR,i}return r._registrator=new v(h(r)),r}return s(n,null,[{key:"C",get:function(){return N}}]),s(n,[{key:"start",value:function(){k.debug("start()"),this._status===N.STATUS_INIT?this._transport.connect():this._status===N.STATUS_USER_CLOSED?(k.debug("restarting UA"),null!==this._closeTimer&&(clearTimeout(this._closeTimer),this._closeTimer=null,this._transport.disconnect()),this._status=N.STATUS_INIT,this._transport.connect()):this._status===N.STATUS_READY?k.debug("UA is in READY status, not restarted"):k.debug("ERROR: connection is down, Auto-Recovery system is trying to reconnect"),this._dynConfiguration.register=this._configuration.register}},{key:"register",value:function(){k.debug("register()"),this._dynConfiguration.register=!0,this._registrator.register()}},{key:"unregister",value:function(e){k.debug("unregister()"),this._dynConfiguration.register=!1,this._registrator.unregister(e)}},{key:"registrator",value:function(){return this._registrator}},{key:"isRegistered",value:function(){return this._registrator.registered}},{key:"isConnected",value:function(){return this._transport.isConnected()}},{key:"call",value:function(e,t){k.debug("call()");var n=new g(this);return n.connect(e,t),n}},{key:"sendMessage",value:function(e,t,n){k.debug("sendMessage()");var r=new y(this);return r.send(e,t,n),r}},{key:"sendOptions",value:function(e,t,n){k.debug("sendOptions()");var r=new T(this);return r.send(e,t,n),r}},{key:"terminateSessions",value:function(e){for(var t in k.debug("terminateSessions()"),this._sessions)this._sessions[t].isEnded()||this._sessions[t].terminate(e)}},{key:"stop",value:function(){var e=this;if(k.debug("stop()"),this._dynConfiguration={},this._status!==N.STATUS_USER_CLOSED){this._registrator.close();var t=Object.keys(this._sessions).length;for(var n in this._sessions)if(Object.prototype.hasOwnProperty.call(this._sessions,n)){k.debug("closing session ".concat(n));try{this._sessions[n].terminate()}catch(i){}}for(var r in this._applicants)if(Object.prototype.hasOwnProperty.call(this._applicants,r))try{this._applicants[r].close()}catch(i){}this._status=N.STATUS_USER_CLOSED;var l=Object.keys(this._transactions.nict).length+Object.keys(this._transactions.nist).length+Object.keys(this._transactions.ict).length+Object.keys(this._transactions.ist).length;0===l&&0===t?this._transport.disconnect():this._closeTimer=setTimeout((function(){e._closeTimer=null,e._transport.disconnect()}),2e3)}else k.debug("UA already closed")}},{key:"normalizeTarget",value:function(e){return S.normalizeTarget(e,this._configuration.hostport_params)}},{key:"get",value:function(e){switch(e){case"authorization_user":return this._configuration.authorization_user;case"realm":return this._configuration.realm;case"ha1":return this._configuration.ha1;case"authorization_jwt":return this._configuration.authorization_jwt;default:return void k.warn('get() | cannot get "%s" parameter in runtime',e)}}},{key:"set",value:function(e,t){switch(e){case"authorization_user":this._configuration.authorization_user=String(t);break;case"password":this._configuration.password=String(t);break;case"realm":this._configuration.realm=String(t);break;case"ha1":this._configuration.ha1=String(t),this._configuration.password=null;break;case"authorization_jwt":this._configuration.authorization_jwt=String(t);break;case"display_name":this._configuration.display_name=t;break;case"extra_headers":this._configuration.extra_headers=t;break;default:return k.warn('set() | cannot set "%s" parameter in runtime',e),!1}return!0}},{key:"newTransaction",value:function(e){this._transactions[e.type][e.id]=e,this.emit("newTransaction",{transaction:e})}},{key:"destroyTransaction",value:function(e){delete this._transactions[e.type][e.id],this.emit("transactionDestroyed",{transaction:e})}},{key:"newDialog",value:function(e){this._dialogs[e.id]=e}},{key:"destroyDialog",value:function(e){delete this._dialogs[e.id]}},{key:"newMessage",value:function(e,t){this._applicants[e]=e,this.emit("newMessage",t)}},{key:"newOptions",value:function(e,t){this._applicants[e]=e,this.emit("newOptions",t)}},{key:"destroyMessage",value:function(e){delete this._applicants[e]}},{key:"newRTCSession",value:function(e,t){this._sessions[e.id]=e,this.emit("newRTCSession",t)}},{key:"destroyRTCSession",value:function(e){delete this._sessions[e.id]}},{key:"registered",value:function(e){this.emit("registered",e)}},{key:"unregistered",value:function(e){this.emit("unregistered",e)}},{key:"registrationFailed",value:function(e){this.emit("registrationFailed",e)}},{key:"receiveRequest",value:function(e){var t=e.method;if(e.ruri.user!==this._configuration.uri.user&&e.ruri.user!==this._contact.uri.user)return k.debug("Request-URI does not point to us"),void(e.method!==m.ACK&&e.reply_sl(404));if(e.ruri.scheme!==m.SIPS){if(!b.checkTransaction(this,e)){if(t===m.INVITE?new b.InviteServerTransaction(this,this._transport,e):t!==m.ACK&&t!==m.CANCEL&&new b.NonInviteServerTransaction(this,this._transport,e),t===m.OPTIONS){if(0===this.listeners("newOptions").length)return void e.reply(200);var n=new T(this);n.init_incoming(e)}else if(t===m.MESSAGE){if(0===this.listeners("newMessage").length)return void e.reply(405);var r=new y(this);r.init_incoming(e)}else if(t===m.INVITE&&!e.to_tag&&0===this.listeners("newRTCSession").length)return void e.reply(405);var l,i;if(e.to_tag)l=this._findDialog(e.call_id,e.from_tag,e.to_tag),l?l.receiveRequest(e):t===m.NOTIFY?(i=this._findSession(e),i?i.receiveRequest(e):(k.debug("received NOTIFY request for a non existent subscription"),e.reply(481,"Subscription does not exist"))):t!==m.ACK&&e.reply(481);else switch(t){case m.INVITE:if(window.RTCPeerConnection)if(e.hasHeader("replaces")){var s=e.replaces;l=this._findDialog(s.call_id,s.from_tag,s.to_tag),l?(i=l.owner,i.isEnded()?e.reply(603):i.receiveRequest(e)):e.reply(481)}else i=new g(this),i.init_incoming(e);else k.warn("INVITE received but WebRTC is not supported"),e.reply(488);break;case m.BYE:e.reply(481);break;case m.CANCEL:i=this._findSession(e),i?i.receiveRequest(e):k.debug("received CANCEL request for a non existent session");break;case m.ACK:break;case m.NOTIFY:this.emit("sipEvent",{event:e.event,request:e}),e.reply(200);break;default:e.reply(405);break}}}else e.reply_sl(416)}},{key:"_findSession",value:function(e){var t=e.call_id,n=e.from_tag,r=e.to_tag,l=t+n,i=this._sessions[l],s=t+r,o=this._sessions[s];return i||(o||null)}},{key:"_findDialog",value:function(e,t,n){var r=e+t+n,l=this._dialogs[r];return l||(r=e+n+t,l=this._dialogs[r],l||null)}},{key:"_loadConfig",value:function(e){try{O.load(this._configuration,e)}catch(s){throw s}0===this._configuration.display_name&&(this._configuration.display_name="0"),this._configuration.instance_id||(this._configuration.instance_id=S.newUUID()),this._configuration.jssip_id=S.createRandomToken(5);var t=this._configuration.uri.clone();t.user=null,this._configuration.hostport_params=t.toString().replace(/^sip:/i,"");try{this._transport=new C(this._configuration.sockets,{max_interval:this._configuration.connection_recovery_max_interval,min_interval:this._configuration.connection_recovery_min_interval}),this._transport.onconnecting=D.bind(this),this._transport.onconnect=x.bind(this),this._transport.ondisconnect=P.bind(this),this._transport.ondata=U.bind(this)}catch(s){throw k.warn(s),new E.ConfigurationError("sockets",this._configuration.sockets)}if(delete this._configuration.sockets,this._configuration.authorization_user||(this._configuration.authorization_user=this._configuration.uri.user),!this._configuration.registrar_server){var n=this._configuration.uri.clone();n.user=null,n.clearParams(),n.clearHeaders(),this._configuration.registrar_server=n}this._configuration.no_answer_timeout*=1e3,this._configuration.contact_uri?this._configuration.via_host=this._configuration.contact_uri.host:this._configuration.contact_uri=new A("sip",S.createRandomToken(8),this._configuration.via_host,null,{transport:"ws"}),this._contact={pub_gruu:null,temp_gruu:null,uri:this._configuration.contact_uri,toString:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.anonymous||null,n=e.outbound||null,r="<";return r+=t?this.temp_gruu||"sip:anonymous@anonymous.invalid;transport=ws":this.pub_gruu||this.uri.toString(),!n||(t?this.temp_gruu:this.pub_gruu)||(r+=";ob"),r+=">",r}};var r=["authorization_user","password","realm","ha1","authorization_jwt","display_name","register","extra_headers"];for(var l in this._configuration)Object.prototype.hasOwnProperty.call(this._configuration,l)&&(-1!==r.indexOf(l)?Object.defineProperty(this._configuration,l,{writable:!0,configurable:!1}):Object.defineProperty(this._configuration,l,{writable:!1,configurable:!1}));for(var i in k.debug("configuration parameters after validation:"),this._configuration)if(Object.prototype.hasOwnProperty.call(O.settings,i))switch(i){case"uri":case"registrar_server":k.debug("- ".concat(i,": ").concat(this._configuration[i]));break;case"password":case"ha1":case"authorization_jwt":k.debug("- ".concat(i,": NOT SHOWN"));break;default:k.debug("- ".concat(i,": ").concat(JSON.stringify(this._configuration[i])))}}},{key:"C",get:function(){return N}},{key:"status",get:function(){return this._status}},{key:"contact",get:function(){return this._contact}},{key:"configuration",get:function(){return this._configuration}},{key:"transport",get:function(){return this._transport}}]),n}(_)},3869:function(e,t,n){function r(e){function 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(\S*)(?: (\S*))?/,names:["value","direction","encrypt-uri","uri","config"],format:function(e){return"extmap:%d"+(e.direction?"/%s":"%v")+(e["encrypt-uri"]?" %s":"%v")+" %s"+(e.config?" %s":"")}},{name:"extmapAllowMixed",reg:/^(extmap-allow-mixed)/},{push:"crypto",reg:/^crypto:(\d*) ([\w_]*) (\S*)(?: (\S*))?/,names:["id","suite","config","sessionConfig"],format:function(e){return null!=e.sessionConfig?"crypto:%d %s %s %s":"crypto:%d %s %s"}},{name:"setup",reg:/^setup:(\w*)/,format:"setup:%s"},{name:"connectionType",reg:/^connection:(new|existing)/,format:"connection:%s"},{name:"mid",reg:/^mid:([^\s]*)/,format:"mid:%s"},{name:"msid",reg:/^msid:(.*)/,format:"msid:%s"},{name:"ptime",reg:/^ptime:(\d*(?:\.\d*)*)/,format:"ptime:%d"},{name:"maxptime",reg:/^maxptime:(\d*(?:\.\d*)*)/,format:"maxptime:%d"},{name:"direction",reg:/^(sendrecv|recvonly|sendonly|inactive)/},{name:"icelite",reg:/^(ice-lite)/},{name:"iceUfrag",reg:/^ice-ufrag:(\S*)/,format:"ice-ufrag:%s"},{name:"icePwd",reg:/^ice-pwd:(\S*)/,format:"ice-pwd:%s"},{name:"fingerprint",reg:/^fingerprint:(\S*) (\S*)/,names:["type","hash"],format:"fingerprint:%s %s"},{push:"candidates",reg:/^candidate:(\S*) (\d*) (\S*) (\d*) (\S*) (\d*) typ (\S*)(?: raddr (\S*) rport (\d*))?(?: tcptype (\S*))?(?: generation (\d*))?(?: network-id (\d*))?(?: network-cost (\d*))?/,names:["foundation","component","transport","priority","ip","port","type","raddr","rport","tcptype","generation","network-id","network-cost"],format:function(e){var t="candidate:%s %d %s %d %s %d typ %s";return t+=null!=e.raddr?" raddr %s rport %d":"%v%v",t+=null!=e.tcptype?" tcptype %s":"%v",null!=e.generation&&(t+=" generation %d"),t+=null!=e["network-id"]?" network-id %d":"%v",t+=null!=e["network-cost"]?" network-cost %d":"%v",t}},{name:"endOfCandidates",reg:/^(end-of-candidates)/},{name:"remoteCandidates",reg:/^remote-candidates:(.*)/,format:"remote-candidates:%s"},{name:"iceOptions",reg:/^ice-options:(\S*)/,format:"ice-options:%s"},{push:"ssrcs",reg:/^ssrc:(\d*) ([\w_-]*)(?::(.*))?/,names:["id","attribute","value"],format:function(e){var t="ssrc:%d";return null!=e.attribute&&(t+=" %s",null!=e.value&&(t+=":%s")),t}},{push:"ssrcGroups",reg:/^ssrc-group:([\x21\x23\x24\x25\x26\x27\x2A\x2B\x2D\x2E\w]*) (.*)/,names:["semantics","ssrcs"],format:"ssrc-group:%s %s"},{name:"msidSemantic",reg:/^msid-semantic:\s?(\w*) (\S*)/,names:["semantic","token"],format:"msid-semantic: %s %s"},{push:"groups",reg:/^group:(\w*) (.*)/,names:["type","mids"],format:"group:%s %s"},{name:"rtcpMux",reg:/^(rtcp-mux)/},{name:"rtcpRsize",reg:/^(rtcp-rsize)/},{name:"sctpmap",reg:/^sctpmap:([\w_/]*) (\S*)(?: (\S*))?/,names:["sctpmapNumber","app","maxMessageSize"],format:function(e){return null!=e.maxMessageSize?"sctpmap:%s %s %s":"sctpmap:%s %s"}},{name:"xGoogleFlag",reg:/^x-google-flag:([^\s]*)/,format:"x-google-flag:%s"},{push:"rids",reg:/^rid:([\d\w]+) (\w+)(?: ([\S| ]*))?/,names:["id","direction","params"],format:function(e){return e.params?"rid:%s %s %s":"rid:%s %s"}},{push:"imageattrs",reg:new RegExp("^imageattr:(\\d+|\\*)[\\s\\t]+(send|recv)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*)(?:[\\s\\t]+(recv|send)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*))?"),names:["pt","dir1","attrs1","dir2","attrs2"],format:function(e){return"imageattr:%s %s %s"+(e.dir2?" 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a=this.ua.configuration.user_agent||y.USER_AGENT;if(e+="Allow: ".concat(y.ALLOWED_METHODS,"\r\n"),e+="Supported: ".concat(u,"\r\n"),e+="User-Agent: ".concat(a,"\r\n"),this.body){var c=T.str_utf8_length(this.body);e+="Content-Length: ".concat(c,"\r\n\r\n"),e+=this.body}else e+="Content-Length: 0\r\n\r\n";return e}},{key:"clone",value:function(){var t=new e(this.method,this.ruri,this.ua);return Object.keys(this.headers).forEach((function(e){t.headers[e]=this.headers[e].slice()}),this),t.body=this.body,t.extraHeaders=T.cloneArray(this.extraHeaders),t.to=this.to,t.from=this.from,t.call_id=this.call_id,t.cseq=this.cseq,t}}]),e}(),A=function(e){l(n,e);var t=s(n);function n(e,r,l,i,s){var o;return _(this,n),o=t.call(this,y.INVITE,e,r,l,i,s),o.transaction=null,o}return m(n,[{key:"cancel",value:function(e){this.transaction.cancel(e)}},{key:"clone",value:function(){var e=new n(this.ruri,this.ua);return Object.keys(this.headers).forEach((function(t){e.headers[t]=this.headers[t].slice()}),this),e.body=this.body,e.extraHeaders=T.cloneArray(this.extraHeaders),e.to=this.to,e.from=this.from,e.call_id=this.call_id,e.cseq=this.cseq,e.transaction=this.transaction,e}}]),n}(E),w=function(){function e(){_(this,e),this.data=null,this.headers=null,this.method=null,this.via=null,this.via_branch=null,this.call_id=null,this.cseq=null,this.from=null,this.from_tag=null,this.to=null,this.to_tag=null,this.body=null,this.sdp=null}return m(e,[{key:"addHeader",value:function(e,t){var n={raw:t};e=T.headerize(e),this.headers[e]?this.headers[e].push(n):this.headers[e]=[n]}},{key:"getHeader",value:function(e){var t=this.headers[T.headerize(e)];if(t)return t[0]?t[0].raw:void 0}},{key:"getHeaders",value:function(e){var t=this.headers[T.headerize(e)],n=[];if(!t)return[];var r,l=h(t);try{for(l.s();!(r=l.n()).done;){var i=r.value;n.push(i.raw)}}catch(s){l.e(s)}finally{l.f()}return n}},{key:"hasHeader",value:function(e){return!!this.headers[T.headerize(e)]}},{key:"parseHeader",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;if(e=T.headerize(e),this.headers[e]){if(!(t>=this.headers[e].length)){var n=this.headers[e][t],r=n.raw;if(n.parsed)return n.parsed;var l=C.parse(r,e.replace(/-/g,"_"));return-1===l?(this.headers[e].splice(t,1),void S.debug('error parsing "'.concat(e,'" header field with value "').concat(r,'"'))):(n.parsed=l,l)}S.debug('not so many "'.concat(e,'" headers present'))}else S.debug('header "'.concat(e,'" not present'))}},{key:"s",value:function(e,t){return this.parseHeader(e,t)}},{key:"setHeader",value:function(e,t){var n={raw:t};this.headers[T.headerize(e)]=[n]}},{key:"parseSDP",value:function(e){return!e&&this.sdp||(this.sdp=v.parse(this.body||"")),this.sdp}},{key:"toString",value:function(){return this.data}}]),e}(),R=function(e){l(n,e);var t=s(n);function n(e){var r;return _(this,n),r=t.call(this),r.ua=e,r.headers={},r.ruri=null,r.transport=null,r.server_transaction=null,r}return m(n,[{key:"reply",value:function(e,t,n,r,l,i){var s=[],o=this.getHeader("To");if(e=e||null,t=t||null,!e||e<100||e>699)throw new TypeError("Invalid status_code: ".concat(e));if(t&&"string"!==typeof t&&!(t instanceof String))throw new TypeError("Invalid reason_phrase: ".concat(t));t=t||y.REASON_PHRASE[e]||"",n=T.cloneArray(n),this.ua.configuration.extra_headers&&(n=n.concat(this.ua.configuration.extra_headers));var u="SIP/2.0 ".concat(e," ").concat(t,"\r\n");if(this.method===y.INVITE&&e>100&&e<=200){var a,c=this.getHeaders("record-route"),f=h(c);try{for(f.s();!(a=f.n()).done;){var d=a.value;u+="Record-Route: ".concat(d,"\r\n")}}catch(E){f.e(E)}finally{f.f()}}var _,p=this.getHeaders("via"),m=h(p);try{for(m.s();!(_=m.n()).done;){var v=_.value;u+="Via: ".concat(v,"\r\n")}}catch(E){m.e(E)}finally{m.f()}!this.to_tag&&e>100?o+=";tag=".concat(T.newTag()):this.to_tag&&!this.s("to").hasParam("tag")&&(o+=";tag=".concat(this.to_tag)),u+="To: ".concat(o,"\r\n"),u+="From: ".concat(this.getHeader("From"),"\r\n"),u+="Call-ID: ".concat(this.call_id,"\r\n"),u+="CSeq: ".concat(this.cseq," ").concat(this.method,"\r\n");var g,b=h(n);try{for(b.s();!(g=b.n()).done;){var C=g.value;u+="".concat(C.trim(),"\r\n")}}catch(E){b.e(E)}finally{b.f()}switch(this.method){case y.INVITE:this.ua.configuration.session_timers&&s.push("timer"),(this.ua.contact.pub_gruu||this.ua.contact.temp_gruu)&&s.push("gruu"),s.push("ice","replaces");break;case y.UPDATE:this.ua.configuration.session_timers&&s.push("timer"),r&&s.push("ice"),s.push("replaces")}if(s.push("outbound"),this.method===y.OPTIONS?(u+="Allow: ".concat(y.ALLOWED_METHODS,"\r\n"),u+="Accept: ".concat(y.ACCEPTED_BODY_TYPES,"\r\n")):405===e?u+="Allow: ".concat(y.ALLOWED_METHODS,"\r\n"):415===e&&(u+="Accept: ".concat(y.ACCEPTED_BODY_TYPES,"\r\n")),u+="Supported: ".concat(s,"\r\n"),r){var S=T.str_utf8_length(r);u+="Content-Type: application/sdp\r\n",u+="Content-Length: ".concat(S,"\r\n\r\n"),u+=r}else u+="Content-Length: ".concat(0,"\r\n\r\n");this.server_transaction.receiveResponse(e,u,l,i)}},{key:"reply_sl",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=this.getHeaders("via");if(!e||e<100||e>699)throw new TypeError("Invalid status_code: ".concat(e));if(t&&"string"!==typeof t&&!(t instanceof String))throw new TypeError("Invalid reason_phrase: ".concat(t));t=t||y.REASON_PHRASE[e]||"";var r,l="SIP/2.0 ".concat(e," ").concat(t,"\r\n"),i=h(n);try{for(i.s();!(r=i.n()).done;){var s=r.value;l+="Via: ".concat(s,"\r\n")}}catch(f){i.e(f)}finally{i.f()}var o=this.getHeader("To");if(!this.to_tag&&e>100?o+=";tag=".concat(T.newTag()):this.to_tag&&!this.s("to").hasParam("tag")&&(o+=";tag=".concat(this.to_tag)),l+="To: ".concat(o,"\r\n"),l+="From: ".concat(this.getHeader("From"),"\r\n"),l+="Call-ID: ".concat(this.call_id,"\r\n"),l+="CSeq: ".concat(this.cseq," ").concat(this.method,"\r\n"),this.ua.configuration.extra_headers){var u,a=h(this.ua.configuration.extra_headers);try{for(a.s();!(u=a.n()).done;){var c=u.value;l+="".concat(c.trim(),"\r\n")}}catch(f){a.e(f)}finally{a.f()}}l+="Content-Length: ".concat(0,"\r\n\r\n"),this.transport.send(l)}}]),n}(w),I=function(e){l(n,e);var t=s(n);function n(){var e;return _(this,n),e=t.call(this),e.headers={},e.status_code=null,e.reason_phrase=null,e}return n}(w);e.exports={OutgoingRequest:E,InitialOutgoingInviteRequest:A,IncomingRequest:R,IncomingResponse:I}},"5b94":function(e,t,n){"use strict";function r(e,t){var n;if("undefined"===typeof Symbol||null==e[Symbol.iterator]){if(Array.isArray(e)||(n=l(e))||t&&e&&"number"===typeof e.length){n&&(e=n);var r=0,i=function(){};return{s:i,n:function(){return r>=e.length?{done:!0}:{done:!1,value:e[r++]}},e:function(e){throw e},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var s,o=!0,u=!1;return{s:function(){n=e[Symbol.iterator]()},n:function(){var e=n.next();return o=e.done,e},e:function(e){u=!0,s=e},f:function(){try{o||null==n["return"]||n["return"]()}finally{if(u)throw s}}}}function l(e,t){if(e){if("string"===typeof e)return i(e,t);var n=Object.prototype.toString.call(e).slice(8,-1);return"Object"===n&&e.constructor&&(n=e.constructor.name),"Map"===n||"Set"===n?Array.from(e):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?i(e,t):void 0}}function i(e,t){(null==t||t>e.length)&&(t=e.length);for(var n=0,r=new Array(t);n<t;n++)r[n]=e[n];return r}function s(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function o(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function u(e,t,n){return t&&o(e.prototype,t),n&&o(e,n),e}var a=n("235f"),c=n("af27"),h=n("b9bf");e.exports=function(){function e(t,n,r,l){var i=arguments.length>4&&void 0!==arguments[4]?arguments[4]:{},o=arguments.length>5&&void 0!==arguments[5]?arguments[5]:{};if(s(this,e),!r)throw new TypeError('missing or invalid "host" parameter');for(var u in this._parameters={},this._headers={},this._scheme=t||a.SIP,this._user=n,this._host=r,this._port=l,i)Object.prototype.hasOwnProperty.call(i,u)&&this.setParam(u,i[u]);for(var c in o)Object.prototype.hasOwnProperty.call(o,c)&&this.setHeader(c,o[c])}return u(e,null,[{key:"parse",value:function(e){return e=h.parse(e,"SIP_URI"),-1!==e?e:void 0}}]),u(e,[{key:"setParam",value:function(e,t){e&&(this._parameters[e.toLowerCase()]="undefined"===typeof t||null===t?null:t.toString())}},{key:"getParam",value:function(e){if(e)return this._parameters[e.toLowerCase()]}},{key:"hasParam",value:function(e){if(e)return!!this._parameters.hasOwnProperty(e.toLowerCase())}},{key:"deleteParam",value:function(e){if(e=e.toLowerCase(),this._parameters.hasOwnProperty(e)){var t=this._parameters[e];return delete this._parameters[e],t}}},{key:"clearParams",value:function(){this._parameters={}}},{key:"setHeader",value:function(e,t){this._headers[c.headerize(e)]=Array.isArray(t)?t:[t]}},{key:"getHeader",value:function(e){if(e)return this._headers[c.headerize(e)]}},{key:"hasHeader",value:function(e){if(e)return!!this._headers.hasOwnProperty(c.headerize(e))}},{key:"deleteHeader",value:function(e){if(e=c.headerize(e),this._headers.hasOwnProperty(e)){var t=this._headers[e];return delete this._headers[e],t}}},{key:"clearHeaders",value:function(){this._headers={}}},{key:"clone",value:function(){return new e(this._scheme,this._user,this._host,this._port,JSON.parse(JSON.stringify(this._parameters)),JSON.parse(JSON.stringify(this._headers)))}},{key:"toString",value:function(){var e=[],t="".concat(this._scheme,":");for(var n in this._user&&(t+="".concat(c.escapeUser(this._user),"@")),t+=this._host,(this._port||0===this._port)&&(t+=":".concat(this._port)),this._parameters)Object.prototype.hasOwnProperty.call(this._parameters,n)&&(t+=";".concat(n),null!==this._parameters[n]&&(t+="=".concat(this._parameters[n])));for(var l in this._headers)if(Object.prototype.hasOwnProperty.call(this._headers,l)){var i,s=r(this._headers[l]);try{for(s.s();!(i=s.n()).done;){var o=i.value;e.push("".concat(l,"=").concat(o))}}catch(u){s.e(u)}finally{s.f()}}return e.length>0&&(t+="?".concat(e.join("&"))),t}},{key:"toAor",value:function(e){var t="".concat(this._scheme,":");return this._user&&(t+="".concat(c.escapeUser(this._user),"@")),t+=this._host,e&&(this._port||0===this._port)&&(t+=":".concat(this._port)),t}},{key:"scheme",get:function(){return this._scheme},set:function(e){this._scheme=e.toLowerCase()}},{key:"user",get:function(){return this._user},set:function(e){this._user=e}},{key:"host",get:function(){return this._host},set:function(e){this._host=e.toLowerCase()}},{key:"port",get:function(){return this._port},set:function(e){this._port=0===e?e:parseInt(e,10)||null}}]),e}()},"5ef6":function(e,t,n){"use strict";function r(e){return r="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"===typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},r(e)}function l(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function s(e,t,n){return t&&i(e.prototype,t),n&&i(e,n),e}function o(e,t){if("function"!==typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&u(e,t)}function u(e,t){return u=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e},u(e,t)}function a(e){var t=f();return function(){var n,r=d(e);if(t){var l=d(this).constructor;n=Reflect.construct(r,arguments,l)}else n=r.apply(this,arguments);return c(this,n)}}function c(e,t){return!t||"object"!==r(t)&&"function"!==typeof t?h(e):t}function h(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function f(){if("undefined"===typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"===typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(e){return!1}}function d(e){return d=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)},d(e)}var _=n("0f27").EventEmitter,p=n("8780"),m=n("235f"),v=n("455e"),g=n("6d1c"),y=new p("NonInviteClientTransaction"),T=new p("InviteClientTransaction"),b=new p("AckClientTransaction"),C=new p("NonInviteServerTransaction"),S=new p("InviteServerTransaction"),E={STATUS_TRYING:1,STATUS_PROCEEDING:2,STATUS_CALLING:3,STATUS_ACCEPTED:4,STATUS_COMPLETED:5,STATUS_TERMINATED:6,STATUS_CONFIRMED:7,NON_INVITE_CLIENT:"nict",NON_INVITE_SERVER:"nist",INVITE_CLIENT:"ict",INVITE_SERVER:"ist"},A=function(e){o(n,e);var t=a(n);function n(e,r,i,s){var o;l(this,n),o=t.call(this),o.type=E.NON_INVITE_CLIENT,o.id="z9hG4bK".concat(Math.floor(1e7*Math.random())),o.ua=e,o.transport=r,o.request=i,o.eventHandlers=s;var u="SIP/2.0/".concat(r.via_transport);return u+=" ".concat(e.configuration.via_host,";branch=").concat(o.id),o.request.setHeader("via",u),o.ua.newTransaction(h(o)),o}return s(n,[{key:"stateChanged",value:function(e){this.state=e,this.emit("stateChanged")}},{key:"send",value:function(){var e=this;this.stateChanged(E.STATUS_TRYING),this.F=setTimeout((function(){e.timer_F()}),g.TIMER_F),this.transport.send(this.request)||this.onTransportError()}},{key:"onTransportError",value:function(){y.debug("transport error occurred, deleting transaction ".concat(this.id)),clearTimeout(this.F),clearTimeout(this.K),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this),this.eventHandlers.onTransportError()}},{key:"timer_F",value:function(){y.debug("Timer F expired for transaction ".concat(this.id)),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this),this.eventHandlers.onRequestTimeout()}},{key:"timer_K",value:function(){this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"receiveResponse",value:function(e){var t=this,n=e.status_code;if(n<200)switch(this.state){case E.STATUS_TRYING:case E.STATUS_PROCEEDING:this.stateChanged(E.STATUS_PROCEEDING),this.eventHandlers.onReceiveResponse(e);break}else switch(this.state){case E.STATUS_TRYING:case E.STATUS_PROCEEDING:this.stateChanged(E.STATUS_COMPLETED),clearTimeout(this.F),408===n?this.eventHandlers.onRequestTimeout():this.eventHandlers.onReceiveResponse(e),this.K=setTimeout((function(){t.timer_K()}),g.TIMER_K);break;case E.STATUS_COMPLETED:break}}},{key:"C",get:function(){return E}}]),n}(_),w=function(e){o(n,e);var t=a(n);function n(e,r,i,s){var o;l(this,n),o=t.call(this),o.type=E.INVITE_CLIENT,o.id="z9hG4bK".concat(Math.floor(1e7*Math.random())),o.ua=e,o.transport=r,o.request=i,o.eventHandlers=s,i.transaction=h(o);var u="SIP/2.0/".concat(r.via_transport);return u+=" ".concat(e.configuration.via_host,";branch=").concat(o.id),o.request.setHeader("via",u),o.ua.newTransaction(h(o)),o}return s(n,[{key:"stateChanged",value:function(e){this.state=e,this.emit("stateChanged")}},{key:"send",value:function(){var e=this;this.stateChanged(E.STATUS_CALLING),this.B=setTimeout((function(){e.timer_B()}),g.TIMER_B),this.transport.send(this.request)||this.onTransportError()}},{key:"onTransportError",value:function(){clearTimeout(this.B),clearTimeout(this.D),clearTimeout(this.M),this.state!==E.STATUS_ACCEPTED&&(T.debug("transport error occurred, deleting transaction ".concat(this.id)),this.eventHandlers.onTransportError()),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"timer_M",value:function(){T.debug("Timer M expired for transaction ".concat(this.id)),this.state===E.STATUS_ACCEPTED&&(clearTimeout(this.B),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this))}},{key:"timer_B",value:function(){T.debug("Timer B expired for transaction ".concat(this.id)),this.state===E.STATUS_CALLING&&(this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this),this.eventHandlers.onRequestTimeout())}},{key:"timer_D",value:function(){T.debug("Timer D expired for transaction ".concat(this.id)),clearTimeout(this.B),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"sendACK",value:function(e){var t=this,n=new v.OutgoingRequest(m.ACK,this.request.ruri,this.ua,{route_set:this.request.getHeaders("route"),call_id:this.request.getHeader("call-id"),cseq:this.request.cseq});n.setHeader("from",this.request.getHeader("from")),n.setHeader("via",this.request.getHeader("via")),n.setHeader("to",e.getHeader("to")),this.D=setTimeout((function(){t.timer_D()}),g.TIMER_D),this.transport.send(n)}},{key:"cancel",value:function(e){if(this.state===E.STATUS_PROCEEDING){var t=new v.OutgoingRequest(m.CANCEL,this.request.ruri,this.ua,{route_set:this.request.getHeaders("route"),call_id:this.request.getHeader("call-id"),cseq:this.request.cseq});t.setHeader("from",this.request.getHeader("from")),t.setHeader("via",this.request.getHeader("via")),t.setHeader("to",this.request.getHeader("to")),e&&t.setHeader("reason",e),this.transport.send(t)}}},{key:"receiveResponse",value:function(e){var t=this,n=e.status_code;if(n>=100&&n<=199)switch(this.state){case E.STATUS_CALLING:this.stateChanged(E.STATUS_PROCEEDING),this.eventHandlers.onReceiveResponse(e);break;case E.STATUS_PROCEEDING:this.eventHandlers.onReceiveResponse(e);break}else if(n>=200&&n<=299)switch(this.state){case E.STATUS_CALLING:case E.STATUS_PROCEEDING:this.stateChanged(E.STATUS_ACCEPTED),this.M=setTimeout((function(){t.timer_M()}),g.TIMER_M),this.eventHandlers.onReceiveResponse(e);break;case E.STATUS_ACCEPTED:this.eventHandlers.onReceiveResponse(e);break}else if(n>=300&&n<=699)switch(this.state){case E.STATUS_CALLING:case E.STATUS_PROCEEDING:this.stateChanged(E.STATUS_COMPLETED),this.sendACK(e),this.eventHandlers.onReceiveResponse(e);break;case E.STATUS_COMPLETED:this.sendACK(e);break}}},{key:"C",get:function(){return E}}]),n}(_),R=function(e){o(n,e);var t=a(n);function n(e,r,i,s){var o;l(this,n),o=t.call(this),o.id="z9hG4bK".concat(Math.floor(1e7*Math.random())),o.transport=r,o.request=i,o.eventHandlers=s;var u="SIP/2.0/".concat(r.via_transport);return u+=" ".concat(e.configuration.via_host,";branch=").concat(o.id),o.request.setHeader("via",u),o}return s(n,[{key:"send",value:function(){this.transport.send(this.request)||this.onTransportError()}},{key:"onTransportError",value:function(){b.debug("transport error occurred for transaction ".concat(this.id)),this.eventHandlers.onTransportError()}},{key:"C",get:function(){return E}}]),n}(_),I=function(e){o(n,e);var t=a(n);function n(e,r,i){var s;return l(this,n),s=t.call(this),s.type=E.NON_INVITE_SERVER,s.id=i.via_branch,s.ua=e,s.transport=r,s.request=i,s.last_response="",i.server_transaction=h(s),s.state=E.STATUS_TRYING,e.newTransaction(h(s)),s}return s(n,[{key:"stateChanged",value:function(e){this.state=e,this.emit("stateChanged")}},{key:"timer_J",value:function(){C.debug("Timer J expired for transaction ".concat(this.id)),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"onTransportError",value:function(){this.transportError||(this.transportError=!0,C.debug("transport error occurred, deleting transaction ".concat(this.id)),clearTimeout(this.J),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this))}},{key:"receiveResponse",value:function(e,t,n,r){var l=this;if(100===e)switch(this.state){case E.STATUS_TRYING:this.stateChanged(E.STATUS_PROCEEDING),this.transport.send(t)||this.onTransportError();break;case E.STATUS_PROCEEDING:this.last_response=t,this.transport.send(t)?n&&n():(this.onTransportError(),r&&r());break}else if(e>=200&&e<=699)switch(this.state){case E.STATUS_TRYING:case E.STATUS_PROCEEDING:this.stateChanged(E.STATUS_COMPLETED),this.last_response=t,this.J=setTimeout((function(){l.timer_J()}),g.TIMER_J),this.transport.send(t)?n&&n():(this.onTransportError(),r&&r());break;case E.STATUS_COMPLETED:break}}},{key:"C",get:function(){return E}}]),n}(_),O=function(e){o(n,e);var t=a(n);function n(e,r,i){var s;return l(this,n),s=t.call(this),s.type=E.INVITE_SERVER,s.id=i.via_branch,s.ua=e,s.transport=r,s.request=i,s.last_response="",i.server_transaction=h(s),s.state=E.STATUS_PROCEEDING,e.newTransaction(h(s)),s.resendProvisionalTimer=null,i.reply(100),s}return s(n,[{key:"stateChanged",value:function(e){this.state=e,this.emit("stateChanged")}},{key:"timer_H",value:function(){S.debug("Timer H expired for transaction ".concat(this.id)),this.state===E.STATUS_COMPLETED&&S.debug("ACK not received, dialog will be terminated"),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"timer_I",value:function(){this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this)}},{key:"timer_L",value:function(){S.debug("Timer L expired for transaction ".concat(this.id)),this.state===E.STATUS_ACCEPTED&&(this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this))}},{key:"onTransportError",value:function(){this.transportError||(this.transportError=!0,S.debug("transport error occurred, deleting transaction ".concat(this.id)),null!==this.resendProvisionalTimer&&(clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null),clearTimeout(this.L),clearTimeout(this.H),clearTimeout(this.I),this.stateChanged(E.STATUS_TERMINATED),this.ua.destroyTransaction(this))}},{key:"resend_provisional",value:function(){this.transport.send(this.last_response)||this.onTransportError()}},{key:"receiveResponse",value:function(e,t,n,r){var l=this;if(e>=100&&e<=199)switch(this.state){case E.STATUS_PROCEEDING:this.transport.send(t)||this.onTransportError(),this.last_response=t;break}if(e>100&&e<=199&&this.state===E.STATUS_PROCEEDING)null===this.resendProvisionalTimer&&(this.resendProvisionalTimer=setInterval((function(){l.resend_provisional()}),g.PROVISIONAL_RESPONSE_INTERVAL));else if(e>=200&&e<=299)switch(this.state){case E.STATUS_PROCEEDING:this.stateChanged(E.STATUS_ACCEPTED),this.last_response=t,this.L=setTimeout((function(){l.timer_L()}),g.TIMER_L),null!==this.resendProvisionalTimer&&(clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null);case E.STATUS_ACCEPTED:this.transport.send(t)?n&&n():(this.onTransportError(),r&&r());break}else if(e>=300&&e<=699)switch(this.state){case E.STATUS_PROCEEDING:null!==this.resendProvisionalTimer&&(clearInterval(this.resendProvisionalTimer),this.resendProvisionalTimer=null),this.transport.send(t)?(this.stateChanged(E.STATUS_COMPLETED),this.H=setTimeout((function(){l.timer_H()}),g.TIMER_H),n&&n()):(this.onTransportError(),r&&r());break}}},{key:"C",get:function(){return E}}]),n}(_);function k(e,t){var n,r=e._transactions;switch(t.method){case m.INVITE:if(n=r.ist[t.via_branch],n){switch(n.state){case E.STATUS_PROCEEDING:n.transport.send(n.last_response);break;case E.STATUS_ACCEPTED:break}return!0}break;case m.ACK:if(n=r.ist[t.via_branch],!n)return!1;if(n.state===E.STATUS_ACCEPTED)return!1;if(n.state===E.STATUS_COMPLETED)return n.state=E.STATUS_CONFIRMED,n.I=setTimeout((function(){n.timer_I()}),g.TIMER_I),!0;break;case m.CANCEL:return n=r.ist[t.via_branch],n?(t.reply_sl(200),n.state!==E.STATUS_PROCEEDING):(t.reply_sl(481),!0);default:if(n=r.nist[t.via_branch],n){switch(n.state){case E.STATUS_TRYING:break;case E.STATUS_PROCEEDING:case E.STATUS_COMPLETED:n.transport.send(n.last_response);break}return!0}break}}e.exports={C:E,NonInviteClientTransaction:A,InviteClientTransaction:w,AckClientTransaction:R,NonInviteServerTransaction:I,InviteServerTransaction:O,checkTransaction:k}},"6d1c":function(e,t,n){"use strict";var r=500,l=4e3,i=5e3;e.exports={T1:r,T2:l,T4:i,TIMER_B:64*r,TIMER_D:0*r,TIMER_F:64*r,TIMER_H:64*r,TIMER_I:0*r,TIMER_J:0*r,TIMER_K:0*i,TIMER_L:64*r,TIMER_M:64*r,PROVISIONAL_RESPONSE_INTERVAL:6e4}},"7b6b":function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function l(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function i(e,t,n){return t&&l(e.prototype,t),n&&l(e,n),e}var s=n("8780"),o=n("c3b8"),u=n("235f"),a=new s("Transport"),c={STATUS_CONNECTED:0,STATUS_CONNECTING:1,STATUS_DISCONNECTED:2,SOCKET_STATUS_READY:0,SOCKET_STATUS_ERROR:1,recovery_options:{min_interval:u.CONNECTION_RECOVERY_MIN_INTERVAL,max_interval:u.CONNECTION_RECOVERY_MAX_INTERVAL}};e.exports=function(){function e(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:c.recovery_options;r(this,e),a.debug("new()"),this.status=c.STATUS_DISCONNECTED,this.socket=null,this.sockets=[],this.recovery_options=n,this.recover_attempts=0,this.recovery_timer=null,this.close_requested=!1;try{this.textDecoder=new TextDecoder("utf8")}catch(l){a.warn("cannot use TextDecoder: ".concat(l))}if("undefined"===typeof t)throw new TypeError("Invalid argument. undefined 'sockets' argument");t instanceof Array||(t=[t]),t.forEach((function(e){if(!o.isSocket(e.socket))throw new TypeError("Invalid argument. invalid 'JsSIP.Socket' instance");if(e.weight&&!Number(e.weight))throw new TypeError("Invalid argument. 'weight' attribute is not a number");this.sockets.push({socket:e.socket,weight:e.weight||0,status:c.SOCKET_STATUS_READY})}),this),this._getSocket()}return i(e,[{key:"connect",value:function(){a.debug("connect()"),this.isConnected()?a.debug("Transport is already connected"):this.isConnecting()?a.debug("Transport is connecting"):(this.close_requested=!1,this.status=c.STATUS_CONNECTING,this.onconnecting({socket:this.socket,attempts:this.recover_attempts}),this.close_requested||(this.socket.onconnect=this._onConnect.bind(this),this.socket.ondisconnect=this._onDisconnect.bind(this),this.socket.ondata=this._onData.bind(this),this.socket.connect()))}},{key:"disconnect",value:function(){a.debug("close()"),this.close_requested=!0,this.recover_attempts=0,this.status=c.STATUS_DISCONNECTED,null!==this.recovery_timer&&(clearTimeout(this.recovery_timer),this.recovery_timer=null),this.socket.onconnect=function(){},this.socket.ondisconnect=function(){},this.socket.ondata=function(){},this.socket.disconnect(),this.ondisconnect({socket:this.socket,error:!1})}},{key:"send",value:function(e){if(a.debug("send()"),!this.isConnected())return a.warn("unable to send message, transport is not connected"),!1;var t=e.toString();return a.debug("sending message:\n\n".concat(t,"\n")),this.socket.send(t)}},{key:"isConnected",value:function(){return this.status===c.STATUS_CONNECTED}},{key:"isConnecting",value:function(){return this.status===c.STATUS_CONNECTING}},{key:"_reconnect",value:function(){var e=this;this.recover_attempts+=1;var t=Math.floor(Math.random()*Math.pow(2,this.recover_attempts)+1);t<this.recovery_options.min_interval?t=this.recovery_options.min_interval:t>this.recovery_options.max_interval&&(t=this.recovery_options.max_interval),a.debug("reconnection attempt: ".concat(this.recover_attempts,". next connection attempt in ").concat(t," seconds")),this.recovery_timer=setTimeout((function(){e.close_requested||e.isConnected()||e.isConnecting()||(e._getSocket(),e.connect())}),1e3*t)}},{key:"_getSocket",value:function(){var e=[];if(this.sockets.forEach((function(t){t.status!==c.SOCKET_STATUS_ERROR&&(0===e.length?e.push(t):t.weight>e[0].weight?e=[t]:t.weight===e[0].weight&&e.push(t))})),0===e.length)return this.sockets.forEach((function(e){e.status=c.SOCKET_STATUS_READY})),void this._getSocket();var t=Math.floor(Math.random()*e.length);this.socket=e[t].socket}},{key:"_onConnect",value:function(){this.recover_attempts=0,this.status=c.STATUS_CONNECTED,null!==this.recovery_timer&&(clearTimeout(this.recovery_timer),this.recovery_timer=null),this.onconnect({socket:this})}},{key:"_onDisconnect",value:function(e,t,n){this.status=c.STATUS_DISCONNECTED,this.ondisconnect({socket:this.socket,error:e,code:t,reason:n}),this.close_requested||(this.sockets.forEach((function(e){this.socket===e.socket&&(e.status=c.SOCKET_STATUS_ERROR)}),this),this._reconnect(e))}},{key:"_onData",value:function(e){if("\r\n\r\n"!==e)if("\r\n"!==e){if("string"!==typeof e){try{e=this.textDecoder?this.textDecoder.decode(e):String.fromCharCode.apply(null,new Uint8Array(e))}catch(t){return void a.debug("received binary message failed to be converted into string, message discarded")}a.debug("received binary message:\n\n".concat(e,"\n"))}else a.debug("received text message:\n\n".concat(e,"\n"));this.ondata({transport:this,message:e})}else a.debug("received message with CRLF Keep Alive response");else{a.debug("received message with double-CRLF Keep Alive request");try{this.socket.send("\r\n")}catch(n){a.warn("error sending Keep Alive response: ".concat(n))}}}},{key:"via_transport",get:function(){return this.socket.via_transport}},{key:"url",get:function(){return this.socket.url}},{key:"sip_uri",get:function(){return this.socket.sip_uri}}]),e}()},8011:function(e,t,n){"use strict";function r(e,t){var n;if("undefined"===typeof Symbol||null==e[Symbol.iterator]){if(Array.isArray(e)||(n=l(e))||t&&e&&"number"===typeof e.length){n&&(e=n);var r=0,i=function(){};return{s:i,n:function(){return r>=e.length?{done:!0}:{done:!1,value:e[r++]}},e:function(e){throw e},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var s,o=!0,u=!1;return{s:function(){n=e[Symbol.iterator]()},n:function(){var e=n.next();return o=e.done,e},e:function(e){u=!0,s=e},f:function(){try{o||null==n["return"]||n["return"]()}finally{if(u)throw s}}}}function l(e,t){if(e){if("string"===typeof e)return i(e,t);var n=Object.prototype.toString.call(e).slice(8,-1);return"Object"===n&&e.constructor&&(n=e.constructor.name),"Map"===n||"Set"===n?Array.from(e):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?i(e,t):void 0}}function i(e,t){(null==t||t>e.length)&&(t=e.length);for(var n=0,r=new Array(t);n<t;n++)r[n]=e[n];return r}var s=n("8780"),o=n("b9bf"),u=n("455e"),a=new s("Parser");function c(e,t){var n=t,r=0,l=0;if(e.substring(n,n+2).match(/(^\r\n)/))return-2;while(0===r){if(l=e.indexOf("\r\n",n),-1===l)return l;!e.substring(l+2,l+4).match(/(^\r\n)/)&&e.charAt(l+2).match(/(^\s+)/)?n=l+2:r=l}return r}function h(e,t,n,l){var i,s=t.indexOf(":",n),a=t.substring(n,s).trim(),c=t.substring(s+1,l).trim();switch(a.toLowerCase()){case"via":case"v":e.addHeader("via",c),1===e.getHeaders("via").length?(i=e.parseHeader("Via"),i&&(e.via=i,e.via_branch=i.branch)):i=0;break;case"from":case"f":e.setHeader("from",c),i=e.parseHeader("from"),i&&(e.from=i,e.from_tag=i.getParam("tag"));break;case"to":case"t":e.setHeader("to",c),i=e.parseHeader("to"),i&&(e.to=i,e.to_tag=i.getParam("tag"));break;case"record-route":if(i=o.parse(c,"Record_Route"),-1===i)i=void 0;else{var h,f=r(i);try{for(f.s();!(h=f.n()).done;){var d=h.value;e.addHeader("record-route",c.substring(d.possition,d.offset)),e.headers["Record-Route"][e.getHeaders("record-route").length-1].parsed=d.parsed}}catch(v){f.e(v)}finally{f.f()}}break;case"call-id":case"i":e.setHeader("call-id",c),i=e.parseHeader("call-id"),i&&(e.call_id=c);break;case"contact":case"m":if(i=o.parse(c,"Contact"),-1===i)i=void 0;else{var _,p=r(i);try{for(p.s();!(_=p.n()).done;){var m=_.value;e.addHeader("contact",c.substring(m.possition,m.offset)),e.headers.Contact[e.getHeaders("contact").length-1].parsed=m.parsed}}catch(v){p.e(v)}finally{p.f()}}break;case"content-length":case"l":e.setHeader("content-length",c),i=e.parseHeader("content-length");break;case"content-type":case"c":e.setHeader("content-type",c),i=e.parseHeader("content-type");break;case"cseq":e.setHeader("cseq",c),i=e.parseHeader("cseq"),i&&(e.cseq=i.value),e instanceof u.IncomingResponse&&(e.method=i.method);break;case"max-forwards":e.setHeader("max-forwards",c),i=e.parseHeader("max-forwards");break;case"www-authenticate":e.setHeader("www-authenticate",c),i=e.parseHeader("www-authenticate");break;case"proxy-authenticate":e.setHeader("proxy-authenticate",c),i=e.parseHeader("proxy-authenticate");break;case"session-expires":case"x":e.setHeader("session-expires",c),i=e.parseHeader("session-expires"),i&&(e.session_expires=i.expires,e.session_expires_refresher=i.refresher);break;case"refer-to":case"r":e.setHeader("refer-to",c),i=e.parseHeader("refer-to"),i&&(e.refer_to=i);break;case"replaces":e.setHeader("replaces",c),i=e.parseHeader("replaces"),i&&(e.replaces=i);break;case"event":case"o":e.setHeader("event",c),i=e.parseHeader("event"),i&&(e.event=i);break;default:e.addHeader(a,c),i=0}return void 0!==i||{error:'error parsing header "'.concat(a,'"')}}t.parseMessage=function(e,t){var n,r,l=e.indexOf("\r\n");if(-1!==l){var i=e.substring(0,l),s=o.parse(i,"Request_Response");if(-1!==s){s.status_code?(n=new u.IncomingResponse,n.status_code=s.status_code,n.reason_phrase=s.reason_phrase):(n=new u.IncomingRequest(t),n.method=s.method,n.ruri=s.uri),n.data=e;var f=l+2;while(1){if(l=c(e,f),-2===l){r=f+2;break}if(-1===l)return void a.warn("parseMessage() | malformed message");if(s=h(n,e,f,l),!0!==s)return void a.warn("parseMessage() |",s.error);f=l+2}if(n.hasHeader("content-length")){var d=n.getHeader("content-length");n.body=e.substr(r,d)}else n.body=e.substring(r);return n}a.warn('parseMessage() | error parsing first line of SIP message: "'.concat(i,'"'))}else a.warn("parseMessage() | no CRLF found, not a SIP message")}},8081:function(e,t,n){"use strict";var r=n("037d"),l=n("c598").left,i=n("ee33"),s=n("3404"),o=n("fcfb"),u=!o&&s>79&&s<83,a=u||!i("reduce");r({target:"Array",proto:!0,forced:a},{reduce:function(e){var t=arguments.length;return l(this,e,t,t>1?arguments[1]:void 0)}})},8780:function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function l(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function i(e,t,n){return t&&l(e.prototype,t),n&&l(e,n),e}var s=n("91af"),o="JsSIP";e.exports=function(){function e(t){r(this,e),t?(this._debug=s["default"]("".concat(o,":").concat(t)),this._warn=s["default"]("".concat(o,":WARN:").concat(t)),this._error=s["default"]("".concat(o,":ERROR:").concat(t))):(this._debug=s["default"](o),this._warn=s["default"]("".concat(o,":WARN")),this._error=s["default"]("".concat(o,":ERROR"))),this._debug.log=console.info.bind(console),this._warn.log=console.warn.bind(console),this._error.log=console.error.bind(console)}return i(e,[{key:"debug",get:function(){return this._debug}},{key:"warn",get:function(){return this._warn}},{key:"error",get:function(){return this._error}}]),e}()},"8a18":function(e){e.exports=JSON.parse('{"name":"jssip","title":"JsSIP","description":"the Javascript SIP library","version":"3.10.1","homepage":"https://jssip.net","contributors":["José Luis Millán <jmillan@aliax.net> (https://github.com/jmillan)","Iñaki Baz Castillo <ibc@aliax.net> (https://inakibaz.me)"],"types":"lib/JsSIP.d.ts","main":"lib-es5/JsSIP.js","keywords":["sip","websocket","webrtc","node","browser","library"],"license":"MIT","repository":{"type":"git","url":"https://github.com/versatica/JsSIP.git"},"bugs":{"url":"https://github.com/versatica/JsSIP/issues"},"dependencies":{"@types/events":"^3.0.0","@types/debug":"^4.1.7","debug":"^4.3.1","events":"^3.3.0","sdp-transform":"^2.14.1"},"devDependencies":{"@babel/core":"^7.19.6","@babel/preset-env":"^7.19.4","ansi-colors":"^3.2.4","browserify":"^16.5.1","eslint":"^5.16.0","fancy-log":"^1.3.3","gulp":"^4.0.2","gulp-babel":"^8.0.0","gulp-eslint":"^5.0.0","gulp-expect-file":"^1.0.2","gulp-header":"^2.0.9","gulp-nodeunit-runner":"^0.2.2","gulp-plumber":"^1.2.1","gulp-rename":"^1.4.0","gulp-uglify-es":"^1.0.4","pegjs":"^0.7.0","vinyl-buffer":"^1.0.1","vinyl-source-stream":"^2.0.0"},"scripts":{"lint":"node npm-scripts.js lint","test":"node npm-scripts.js test","prepublish":"node npm-scripts.js prepublish","release":"node npm-scripts.js release"},"__npminstall_done":true,"_from":"jssip@3.10.1","_resolved":"https://registry.npmmirror.com/jssip/-/jssip-3.10.1.tgz"}')},"8e65":function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function l(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function i(e,t,n){return t&&l(e.prototype,t),n&&l(e,n),e}var s=n("8780"),o=n("af27"),u=n("235f"),a=n("455e"),c=n("be33"),h=new s("Registrator"),f=10;e.exports=function(){function e(t,n){r(this,e),this._reg_id=1,this._ua=t,this._transport=n,this._registrar=t.configuration.registrar_server,this._expires=t.configuration.register_expires,this._call_id=o.createRandomToken(22),this._cseq=0,this._to_uri=t.configuration.uri,this._registrationTimer=null,this._registering=!1,this._registered=!1,this._contact=this._ua.contact.toString(),this._contact+=";+sip.ice",this._extraHeaders=[],this._extraContactParams="",this._sipInstance='"<urn:uuid:'.concat(this._ua.configuration.instance_id,'>"'),this._contact+=";reg-id=".concat(this._reg_id),this._contact+=";+sip.instance=".concat(this._sipInstance)}return i(e,[{key:"setExtraHeaders",value:function(e){Array.isArray(e)||(e=[]),this._extraHeaders=e.slice()}},{key:"setExtraContactParams",value:function(e){for(var t in e instanceof Object||(e={}),this._extraContactParams="",e)if(Object.prototype.hasOwnProperty.call(e,t)){var n=e[t];this._extraContactParams+=";".concat(t),n&&(this._extraContactParams+="=".concat(n))}}},{key:"register",value:function(){var e=this;if(this._registering)h.debug("Register request in progress...");else{var t=this._extraHeaders.slice();t.push("Contact: ".concat(this._contact,";expires=").concat(this._expires).concat(this._extraContactParams)),t.push("Expires: ".concat(this._expires));var n=new a.OutgoingRequest(u.REGISTER,this._registrar,this._ua,{to_uri:this._to_uri,call_id:this._call_id,cseq:this._cseq+=1},t),r=new c(this._ua,n,{onRequestTimeout:function(){e._registrationFailure(null,u.causes.REQUEST_TIMEOUT)},onTransportError:function(){e._registrationFailure(null,u.causes.CONNECTION_ERROR)},onAuthenticated:function(){e._cseq+=1},onReceiveResponse:function(t){if(t.cseq===e._cseq)switch(null!==e._registrationTimer&&(clearTimeout(e._registrationTimer),e._registrationTimer=null),!0){case/^1[0-9]{2}$/.test(t.status_code):break;case/^2[0-9]{2}$/.test(t.status_code):if(e._registering=!1,!t.hasHeader("Contact")){h.debug("no Contact header in response to REGISTER, response ignored");break}var n=t.headers["Contact"].reduce((function(e,t){return e.concat(t.parsed)}),[]),r=n.find((function(t){return e._sipInstance===t.getParam("+sip.instance")&&e._reg_id===parseInt(t.getParam("reg-id"))}));if(r||(r=n.find((function(t){return t.uri.user===e._ua.contact.uri.user}))),!r){h.debug("no Contact header pointing to us, response ignored");break}var 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u(this._ua,this._request,{onRequestTimeout:function(){e._eventHandlers.onRequestTimeout()},onTransportError:function(){e._eventHandlers.onTransportError()},onAuthenticated:function(t){e._eventHandlers.onAuthenticated(t)},onReceiveResponse:function(t){e._receiveResponse(t)}});if(t.send(),(this._request.method===s.INVITE||this._request.method===s.UPDATE&&this._request.body)&&t.clientTransaction.state!==o.C.STATUS_TERMINATED){this._dialog.uac_pending_reply=!0;var n=function n(){t.clientTransaction.state!==o.C.STATUS_ACCEPTED&&t.clientTransaction.state!==o.C.STATUS_COMPLETED&&t.clientTransaction.state!==o.C.STATUS_TERMINATED||(t.clientTransaction.removeListener("stateChanged",n),e._dialog.uac_pending_reply=!1)};t.clientTransaction.on("stateChanged",n)}}},{key:"_receiveResponse",value:function(e){var t=this;408===e.status_code||481===e.status_code?this._eventHandlers.onDialogError(e):e.method===s.INVITE&&491===e.status_code?this._reattempt?e.status_code>=200&&e.status_code<300?this._eventHandlers.onSuccessResponse(e):e.status_code>=300&&this._eventHandlers.onErrorResponse(e):(this._request.cseq=this._dialog.local_seqnum+=1,this._reattemptTimer=setTimeout((function(){t._dialog.isTerminated()||(t._reattempt=!0,t.send())}),1e3)):e.status_code>=200&&e.status_code<300?this._eventHandlers.onSuccessResponse(e):e.status_code>=300&&this._eventHandlers.onErrorResponse(e)}},{key:"request",get:function(){return this._request}}]),e}()},fc06:function(e,t,n){"use strict";function r(e){return r="function"===typeof Symbol&&"symbol"===typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"===typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},r(e)}function l(e,t){var n;if("undefined"===typeof 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o(this,n),x.debug("new"),r=t.call(this),r._id=null,r._ua=e,r._status=P.STATUS_NULL,r._dialog=null,r._earlyDialogs={},r._contact=null,r._from_tag=null,r._to_tag=null,r._connection=null,r._connectionPromiseQueue=Promise.resolve(),r._request=null,r._is_canceled=!1,r._cancel_reason="",r._is_confirmed=!1,r._late_sdp=!1,r._rtcOfferConstraints=null,r._rtcAnswerConstraints=null,r._localMediaStream=null,r._localMediaStreamLocallyGenerated=!1,r._rtcReady=!0,r._iceReady=!1,r._timers={ackTimer:null,expiresTimer:null,invite2xxTimer:null,userNoAnswerTimer:null},r._direction=null,r._local_identity=null,r._remote_identity=null,r._start_time=null,r._end_time=null,r._tones=null,r._audioMuted=!1,r._videoMuted=!1,r._localHold=!1,r._remoteHold=!1,r._sessionTimers={enabled:r._ua.configuration.session_timers,refreshMethod:r._ua.configuration.session_timers_refresh_method,defaultExpires:T.SESSION_EXPIRES,currentExpires:null,running:!1,refresher:!1,timer:null},r._referSubscribers={},r._data={},r}return a(n,null,[{key:"C",get:function(){return P}}]),a(n,[{key:"isInProgress",value:function(){switch(this._status){case P.STATUS_NULL:case P.STATUS_INVITE_SENT:case P.STATUS_1XX_RECEIVED:case P.STATUS_INVITE_RECEIVED:case P.STATUS_WAITING_FOR_ANSWER:return!0;default:return!1}}},{key:"isEstablished",value:function(){switch(this._status){case P.STATUS_ANSWERED:case P.STATUS_WAITING_FOR_ACK:case P.STATUS_CONFIRMED:return!0;default:return!1}}},{key:"isEnded",value:function(){switch(this._status){case P.STATUS_CANCELED:case P.STATUS_TERMINATED:return!0;default:return!1}}},{key:"isMuted",value:function(){return{audio:this._audioMuted,video:this._videoMuted}}},{key:"isOnHold",value:function(){return{local:this._localHold,remote:this._remoteHold}}},{key:"connect",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=arguments.length>2?arguments[2]:void 0;x.debug("connect()");var r=e,l=S.cloneObject(t.eventHandlers),i=S.cloneArray(t.extraHeaders),s=S.cloneObject(t.mediaConstraints,{audio:!0,video:!0}),o=t.mediaStream||null,u=S.cloneObject(t.pcConfig,{iceServers:[]}),a=t.rtcConstraints||null,c=t.rtcOfferConstraints||null;if(this._rtcOfferConstraints=c,this._rtcAnswerConstraints=t.rtcAnswerConstraints||null,this._data=t.data||this._data,void 0===e)throw new TypeError("Not enough arguments");if(this._status!==P.STATUS_NULL)throw new b.InvalidStateError(this._status);if(!window.RTCPeerConnection)throw new b.NotSupportedError("WebRTC not supported");if(e=this._ua.normalizeTarget(e),!e)throw new TypeError("Invalid target: ".concat(r));for(var h in this._sessionTimers.enabled&&S.isDecimal(t.sessionTimersExpires)&&(t.sessionTimersExpires>=T.MIN_SESSION_EXPIRES?this._sessionTimers.defaultExpires=t.sessionTimersExpires:this._sessionTimers.defaultExpires=T.SESSION_EXPIRES),l)Object.prototype.hasOwnProperty.call(l,h)&&this.on(h,l[h]);this._from_tag=S.newTag();var f=t.anonymous||!1,d={from_tag:this._from_tag};this._contact=this._ua.contact.toString({anonymous:f,outbound:!0}),f?(d.from_display_name="Anonymous",d.from_uri=new D("sip","anonymous","anonymous.invalid"),i.push("P-Preferred-Identity: ".concat(this._ua.configuration.uri.toString())),i.push("Privacy: id")):t.fromUserName&&(d.from_uri=new D("sip",t.fromUserName,this._ua.configuration.uri.host),i.push("P-Preferred-Identity: ".concat(this._ua.configuration.uri.toString()))),t.fromDisplayName&&(d.from_display_name=t.fromDisplayName),i.push("Contact: ".concat(this._contact)),i.push("Content-Type: application/sdp"),this._sessionTimers.enabled&&i.push("Session-Expires: ".concat(this._sessionTimers.defaultExpires).concat(this._ua.configuration.session_timers_force_refresher?";refresher=uac":"")),this._request=new A.InitialOutgoingInviteRequest(e,this._ua,d,i),this._id=this._request.call_id+this._from_tag,this._createRTCConnection(u,a),this._direction="outgoing",this._local_identity=this._request.from,this._remote_identity=this._request.to,n&&n(this),this._newRTCSession("local",this._request),this._sendInitialRequest(s,c,o)}},{key:"init_incoming",value:function(e,t){var n,r=this;x.debug("init_incoming()");var l=e.hasHeader("Content-Type")?e.getHeader("Content-Type").toLowerCase():void 0;e.body&&"application/sdp"!==l?e.reply(415):(this._status=P.STATUS_INVITE_RECEIVED,this._from_tag=e.from_tag,this._id=e.call_id+this._from_tag,this._request=e,this._contact=this._ua.contact.toString(),e.hasHeader("expires")&&(n=1e3*e.getHeader("expires")),e.to_tag=S.newTag(),this._createDialog(e,"UAS",!0)?(e.body?this._late_sdp=!1:this._late_sdp=!0,this._status=P.STATUS_WAITING_FOR_ANSWER,this._timers.userNoAnswerTimer=setTimeout((function(){e.reply(408),r._failed("local",null,T.causes.NO_ANSWER)}),this._ua.configuration.no_answer_timeout),n&&(this._timers.expiresTimer=setTimeout((function(){r._status===P.STATUS_WAITING_FOR_ANSWER&&(e.reply(487),r._failed("system",null,T.causes.EXPIRES))}),n)),this._direction="incoming",this._local_identity=e.to,this._remote_identity=e.from,t&&t(this),this._newRTCSession("remote",e),this._status!==P.STATUS_TERMINATED&&(e.reply(180,null,["Contact: ".concat(this._contact)]),this._progress("local",null))):e.reply(500,"Missing Contact header field"))}},{key:"answer",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};x.debug("answer()");var n,r=this._request,i=S.cloneArray(t.extraHeaders),s=S.cloneObject(t.mediaConstraints),o=t.mediaStream||null,u=S.cloneObject(t.pcConfig,{iceServers:[]}),a=t.rtcConstraints||null,c=t.rtcAnswerConstraints||null,h=S.cloneObject(t.rtcOfferConstraints),f=!1,d=!1,_=!1,p=!1;if(this._rtcAnswerConstraints=c,this._rtcOfferConstraints=t.rtcOfferConstraints||null,this._data=t.data||this._data,"incoming"!==this._direction)throw new b.NotSupportedError('"answer" not supported for outgoing RTCSession');if(this._status!==P.STATUS_WAITING_FOR_ANSWER)throw new b.InvalidStateError(this._status);if(this._sessionTimers.enabled&&S.isDecimal(t.sessionTimersExpires)&&(t.sessionTimersExpires>=T.MIN_SESSION_EXPIRES?this._sessionTimers.defaultExpires=t.sessionTimersExpires:this._sessionTimers.defaultExpires=T.SESSION_EXPIRES),this._status=P.STATUS_ANSWERED,this._createDialog(r,"UAS")){clearTimeout(this._timers.userNoAnswerTimer),i.unshift("Contact: ".concat(this._contact));var m=r.parseSDP();Array.isArray(m.media)||(m.media=[m.media]);var v,g=l(m.media);try{for(g.s();!(v=g.n()).done;){var y=v.value;"audio"===y.type&&(f=!0,y.direction&&"sendrecv"!==y.direction||(_=!0)),"video"===y.type&&(d=!0,y.direction&&"sendrecv"!==y.direction||(p=!0))}}catch(O){g.e(O)}finally{g.f()}if(o&&!1===s.audio){n=o.getAudioTracks();var C,E=l(n);try{for(E.s();!(C=E.n()).done;){var A=C.value;o.removeTrack(A)}}catch(O){E.e(O)}finally{E.f()}}if(o&&!1===s.video){n=o.getVideoTracks();var w,R=l(n);try{for(R.s();!(w=R.n()).done;){var I=w.value;o.removeTrack(I)}}catch(O){R.e(O)}finally{R.f()}}o||void 0!==s.audio||(s.audio=_),o||void 0!==s.video||(s.video=p),o||f||h.offerToReceiveAudio||(s.audio=!1),o||d||h.offerToReceiveVideo||(s.video=!1),this._createRTCConnection(u,a),Promise.resolve().then((function(){return o||(s.audio||s.video?(e._localMediaStreamLocallyGenerated=!0,navigator.mediaDevices.getUserMedia(s)["catch"]((function(t){if(e._status===P.STATUS_TERMINATED)throw new Error("terminated");throw r.reply(480),e._failed("local",null,T.causes.USER_DENIED_MEDIA_ACCESS),x.warn('emit "getusermediafailed" [error:%o]',t),e.emit("getusermediafailed",t),new Error("getUserMedia() failed")}))):void 0)})).then((function(t){if(e._status===P.STATUS_TERMINATED)throw new Error("terminated");e._localMediaStream=t,t&&t.getTracks().forEach((function(n){e._connection.addTrack(n,t)}))})).then((function(){if(!e._late_sdp){var t={originator:"remote",type:"offer",sdp:r.body};x.debug('emit "sdp"'),e.emit("sdp",t);var n=new RTCSessionDescription({type:"offer",sdp:t.sdp});return e._connectionPromiseQueue=e._connectionPromiseQueue.then((function(){return e._connection.setRemoteDescription(n)}))["catch"]((function(t){throw r.reply(488),e._failed("system",null,T.causes.WEBRTC_ERROR),x.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',t),e.emit("peerconnection:setremotedescriptionfailed",t),new Error("peerconnection.setRemoteDescription() failed")})),e._connectionPromiseQueue}})).then((function(){if(e._status===P.STATUS_TERMINATED)throw new Error("terminated");return e._connecting(r),e._late_sdp?e._createLocalDescription("offer",e._rtcOfferConstraints)["catch"]((function(){throw r.reply(500),new Error("_createLocalDescription() failed")})):e._createLocalDescription("answer",c)["catch"]((function(){throw r.reply(500),new Error("_createLocalDescription() failed")}))})).then((function(t){if(e._status===P.STATUS_TERMINATED)throw new Error("terminated");e._handleSessionTimersInIncomingRequest(r,i),r.reply(200,null,i,t,(function(){e._status=P.STATUS_WAITING_FOR_ACK,e._setInvite2xxTimer(r,t),e._setACKTimer(),e._accepted("local")}),(function(){e._failed("system",null,T.causes.CONNECTION_ERROR)}))}))["catch"]((function(t){e._status!==P.STATUS_TERMINATED&&x.warn(t)}))}else r.reply(500,"Error creating dialog")}},{key:"terminate",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};x.debug("terminate()");var n,r=t.cause||T.causes.BYE,l=S.cloneArray(t.extraHeaders),i=t.body,s=t.status_code,o=t.reason_phrase;if(this._status===P.STATUS_TERMINATED)throw new b.InvalidStateError(this._status);switch(this._status){case P.STATUS_NULL:case P.STATUS_INVITE_SENT:case P.STATUS_1XX_RECEIVED:if(x.debug("canceling session"),s&&(s<200||s>=700))throw new TypeError("Invalid status_code: ".concat(s));s&&(o=o||T.REASON_PHRASE[s]||"",n="SIP ;cause=".concat(s,' ;text="').concat(o,'"')),this._status===P.STATUS_NULL||this._status===P.STATUS_INVITE_SENT?(this._is_canceled=!0,this._cancel_reason=n):this._status===P.STATUS_1XX_RECEIVED&&this._request.cancel(n),this._status=P.STATUS_CANCELED,this._failed("local",null,T.causes.CANCELED);break;case P.STATUS_WAITING_FOR_ANSWER:case P.STATUS_ANSWERED:if(x.debug("rejecting session"),s=s||480,s<300||s>=700)throw new TypeError("Invalid status_code: ".concat(s));this._request.reply(s,o,l,i),this._failed("local",null,T.causes.REJECTED);break;case P.STATUS_WAITING_FOR_ACK:case P.STATUS_CONFIRMED:if(x.debug("terminating session"),o=t.reason_phrase||T.REASON_PHRASE[s]||"",s&&(s<200||s>=700))throw new TypeError("Invalid status_code: ".concat(s));if(s&&l.push("Reason: SIP ;cause=".concat(s,'; text="').concat(o,'"')),this._status===P.STATUS_WAITING_FOR_ACK&&"incoming"===this._direction&&this._request.server_transaction.state!==C.C.STATUS_TERMINATED){var u=this._dialog;this.receiveRequest=function(t){var n=t.method;n===T.ACK&&(e.sendRequest(T.BYE,{extraHeaders:l,body:i}),u.terminate())},this._request.server_transaction.on("stateChanged",(function(){e._request.server_transaction.state===C.C.STATUS_TERMINATED&&(e.sendRequest(T.BYE,{extraHeaders:l,body:i}),u.terminate())})),this._ended("local",null,r),this._dialog=u,this._ua.newDialog(u)}else this.sendRequest(T.BYE,{extraHeaders:l,body:i}),this._ended("local",null,r)}}},{key:"sendDTMF",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};x.debug("sendDTMF() | tones: %s",e);var n=0,r=t.duration||null,l=t.interToneGap||null,i=t.transportType||T.DTMF_TRANSPORT.INFO;if(void 0===e)throw new TypeError("Not enough arguments");if(this._status!==P.STATUS_CONFIRMED&&this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_1XX_RECEIVED)throw new b.InvalidStateError(this._status);if(i!==T.DTMF_TRANSPORT.INFO&&i!==T.DTMF_TRANSPORT.RFC2833)throw new TypeError("invalid transportType: ".concat(i));if("number"===typeof e&&(e=e.toString()),!e||"string"!==typeof e||!e.match(/^[0-9A-DR#*,]+$/i))throw new TypeError("Invalid tones: ".concat(e));if(r&&!S.isDecimal(r))throw new TypeError("Invalid tone duration: ".concat(r));if(r?r<I.C.MIN_DURATION?(x.debug('"duration" value is lower than the minimum allowed, setting it to '.concat(I.C.MIN_DURATION," milliseconds")),r=I.C.MIN_DURATION):r>I.C.MAX_DURATION?(x.debug('"duration" value is greater than the maximum allowed, setting it to '.concat(I.C.MAX_DURATION," milliseconds")),r=I.C.MAX_DURATION):r=Math.abs(r):r=I.C.DEFAULT_DURATION,t.duration=r,l&&!S.isDecimal(l))throw new TypeError("Invalid interToneGap: ".concat(l));if(l?l<I.C.MIN_INTER_TONE_GAP?(x.debug('"interToneGap" value is lower than the minimum allowed, setting it to '.concat(I.C.MIN_INTER_TONE_GAP," milliseconds")),l=I.C.MIN_INTER_TONE_GAP):l=Math.abs(l):l=I.C.DEFAULT_INTER_TONE_GAP,i!==T.DTMF_TRANSPORT.RFC2833)this._tones?this._tones+=e:(this._tones=e,o.call(this));else{var s=this._getDTMFRTPSender();s&&(e=s.toneBuffer+e,s.insertDTMF(e,r,l))}function o(){var e,i=this;if(this._status===P.STATUS_TERMINATED||!this._tones||n>=this._tones.length)this._tones=null;else{var s=this._tones[n];if(n+=1,","===s)e=2e3;else{var u=new I(this);t.eventHandlers={onFailed:function(){i._tones=null}},u.send(s,t),e=r+l}setTimeout(o.bind(this),e)}}}},{key:"sendInfo",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};if(x.debug("sendInfo()"),this._status!==P.STATUS_CONFIRMED&&this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_1XX_RECEIVED)throw new b.InvalidStateError(this._status);var r=new O(this);r.send(e,t,n)}},{key:"mute",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{audio:!0,video:!1};x.debug("mute()");var t=!1,n=!1;!1===this._audioMuted&&e.audio&&(t=!0,this._audioMuted=!0,this._toggleMuteAudio(!0)),!1===this._videoMuted&&e.video&&(n=!0,this._videoMuted=!0,this._toggleMuteVideo(!0)),!0!==t&&!0!==n||this._onmute({audio:t,video:n})}},{key:"unmute",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{audio:!0,video:!0};x.debug("unmute()");var t=!1,n=!1;!0===this._audioMuted&&e.audio&&(t=!0,this._audioMuted=!1,!1===this._localHold&&this._toggleMuteAudio(!1)),!0===this._videoMuted&&e.video&&(n=!0,this._videoMuted=!1,!1===this._localHold&&this._toggleMuteVideo(!1)),!0!==t&&!0!==n||this._onunmute({audio:t,video:n})}},{key:"hold",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=arguments.length>1?arguments[1]:void 0;if(x.debug("hold()"),this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_CONFIRMED)return!1;if(!0===this._localHold)return!1;if(!this._isReadyToReOffer())return!1;this._localHold=!0,this._onhold("local");var r={succeeded:function(){n&&n()},failed:function(){e.terminate({cause:T.causes.WEBRTC_ERROR,status_code:500,reason_phrase:"Hold Failed"})}};return t.useUpdate?this._sendUpdate({sdpOffer:!0,eventHandlers:r,extraHeaders:t.extraHeaders}):this._sendReinvite({eventHandlers:r,extraHeaders:t.extraHeaders}),!0}},{key:"unhold",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=arguments.length>1?arguments[1]:void 0;if(x.debug("unhold()"),this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_CONFIRMED)return!1;if(!1===this._localHold)return!1;if(!this._isReadyToReOffer())return!1;this._localHold=!1,this._onunhold("local");var r={succeeded:function(){n&&n()},failed:function(){e.terminate({cause:T.causes.WEBRTC_ERROR,status_code:500,reason_phrase:"Unhold Failed"})}};return t.useUpdate?this._sendUpdate({sdpOffer:!0,eventHandlers:r,extraHeaders:t.extraHeaders}):this._sendReinvite({eventHandlers:r,extraHeaders:t.extraHeaders}),!0}},{key:"renegotiate",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},n=arguments.length>1?arguments[1]:void 0;x.debug("renegotiate()");var r=t.rtcOfferConstraints||null;if(this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_CONFIRMED)return!1;if(!this._isReadyToReOffer())return!1;var l={succeeded:function(){n&&n()},failed:function(){e.terminate({cause:T.causes.WEBRTC_ERROR,status_code:500,reason_phrase:"Media Renegotiation Failed"})}};return this._setLocalMediaStatus(),t.useUpdate?this._sendUpdate({sdpOffer:!0,eventHandlers:l,rtcOfferConstraints:r,extraHeaders:t.extraHeaders}):this._sendReinvite({eventHandlers:l,rtcOfferConstraints:r,extraHeaders:t.extraHeaders}),!0}},{key:"refer",value:function(e,t){var n=this;x.debug("refer()");var r=e;if(this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_CONFIRMED)return!1;if(e=this._ua.normalizeTarget(e),!e)throw new TypeError("Invalid target: ".concat(r));var l=new N(this);l.sendRefer(e,t);var i=l.id;return this._referSubscribers[i]=l,l.on("requestFailed",(function(){delete n._referSubscribers[i]})),l.on("accepted",(function(){delete n._referSubscribers[i]})),l.on("failed",(function(){delete n._referSubscribers[i]})),l}},{key:"sendRequest",value:function(e,t){return x.debug("sendRequest()"),this._dialog.sendRequest(e,t)}},{key:"receiveRequest",value:function(e){var t=this;if(x.debug("receiveRequest()"),e.method===T.CANCEL)this._status!==P.STATUS_WAITING_FOR_ANSWER&&this._status!==P.STATUS_ANSWERED||(this._status=P.STATUS_CANCELED,this._request.reply(487),this._failed("remote",e,T.causes.CANCELED));else switch(e.method){case T.ACK:if(this._status!==P.STATUS_WAITING_FOR_ACK)return;if(this._status=P.STATUS_CONFIRMED,clearTimeout(this._timers.ackTimer),clearTimeout(this._timers.invite2xxTimer),this._late_sdp){if(!e.body){this.terminate({cause:T.causes.MISSING_SDP,status_code:400});break}var n={originator:"remote",type:"answer",sdp:e.body};x.debug('emit "sdp"'),this.emit("sdp",n);var r=new RTCSessionDescription({type:"answer",sdp:n.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){return t._connection.setRemoteDescription(r)})).then((function(){t._is_confirmed||t._confirmed("remote",e)}))["catch"]((function(e){t.terminate({cause:T.causes.BAD_MEDIA_DESCRIPTION,status_code:488}),x.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',e),t.emit("peerconnection:setremotedescriptionfailed",e)}))}else this._is_confirmed||this._confirmed("remote",e);break;case T.BYE:this._status===P.STATUS_CONFIRMED||this._status===P.STATUS_WAITING_FOR_ACK?(e.reply(200),this._ended("remote",e,T.causes.BYE)):this._status===P.STATUS_INVITE_RECEIVED||this._status===P.STATUS_WAITING_FOR_ANSWER?(e.reply(200),this._request.reply(487,"BYE Received"),this._ended("remote",e,T.causes.BYE)):e.reply(403,"Wrong Status");break;case T.INVITE:this._status===P.STATUS_CONFIRMED?e.hasHeader("replaces")?this._receiveReplaces(e):this._receiveReinvite(e):e.reply(403,"Wrong Status");break;case T.INFO:if(this._status===P.STATUS_1XX_RECEIVED||this._status===P.STATUS_WAITING_FOR_ANSWER||this._status===P.STATUS_ANSWERED||this._status===P.STATUS_WAITING_FOR_ACK||this._status===P.STATUS_CONFIRMED){var l=e.hasHeader("Content-Type")?e.getHeader("Content-Type").toLowerCase():void 0;l&&l.match(/^application\/dtmf-relay/i)?new I(this).init_incoming(e):void 0!==l?new O(this).init_incoming(e):e.reply(415)}else e.reply(403,"Wrong Status");break;case T.UPDATE:this._status===P.STATUS_CONFIRMED?this._receiveUpdate(e):e.reply(403,"Wrong Status");break;case T.REFER:this._status===P.STATUS_CONFIRMED?this._receiveRefer(e):e.reply(403,"Wrong Status");break;case T.NOTIFY:this._status===P.STATUS_CONFIRMED?this._receiveNotify(e):e.reply(403,"Wrong Status");break;default:e.reply(501)}}},{key:"onTransportError",value:function(){x.warn("onTransportError()"),this._status!==P.STATUS_TERMINATED&&this.terminate({status_code:500,reason_phrase:T.causes.CONNECTION_ERROR,cause:T.causes.CONNECTION_ERROR})}},{key:"onRequestTimeout",value:function(){x.warn("onRequestTimeout()"),this._status!==P.STATUS_TERMINATED&&this.terminate({status_code:408,reason_phrase:T.causes.REQUEST_TIMEOUT,cause:T.causes.REQUEST_TIMEOUT})}},{key:"onDialogError",value:function(){x.warn("onDialogError()"),this._status!==P.STATUS_TERMINATED&&this.terminate({status_code:500,reason_phrase:T.causes.DIALOG_ERROR,cause:T.causes.DIALOG_ERROR})}},{key:"newDTMF",value:function(e){x.debug("newDTMF()"),this.emit("newDTMF",e)}},{key:"newInfo",value:function(e){x.debug("newInfo()"),this.emit("newInfo",e)}},{key:"_isReadyToReOffer",value:function(){return this._rtcReady?this._dialog?!0!==this._dialog.uac_pending_reply&&!0!==this._dialog.uas_pending_reply||(x.debug("_isReadyToReOffer() | there is another INVITE/UPDATE transaction in progress"),!1):(x.debug("_isReadyToReOffer() | session not established yet"),!1):(x.debug("_isReadyToReOffer() | internal WebRTC status not ready"),!1)}},{key:"_close",value:function(){if(x.debug("close()"),this._localMediaStream&&this._localMediaStreamLocallyGenerated&&(x.debug("close() | closing local MediaStream"),S.closeMediaStream(this._localMediaStream)),this._status!==P.STATUS_TERMINATED){if(this._status=P.STATUS_TERMINATED,this._connection)try{this._connection.close()}catch(r){x.warn("close() | error closing the RTCPeerConnection: %o",r)}for(var e in this._timers)Object.prototype.hasOwnProperty.call(this._timers,e)&&clearTimeout(this._timers[e]);for(var t in clearTimeout(this._sessionTimers.timer),this._dialog&&(this._dialog.terminate(),delete this._dialog),this._earlyDialogs)Object.prototype.hasOwnProperty.call(this._earlyDialogs,t)&&(this._earlyDialogs[t].terminate(),delete this._earlyDialogs[t]);for(var n in this._referSubscribers)Object.prototype.hasOwnProperty.call(this._referSubscribers,n)&&delete this._referSubscribers[n];this._ua.destroyRTCSession(this)}}},{key:"_setInvite2xxTimer",value:function(e,t){var n=E.T1;function r(){this._status===P.STATUS_WAITING_FOR_ACK&&(e.reply(200,null,["Contact: ".concat(this._contact)],t),n<E.T2&&(n*=2,n>E.T2&&(n=E.T2)),this._timers.invite2xxTimer=setTimeout(r.bind(this),n))}this._timers.invite2xxTimer=setTimeout(r.bind(this),n)}},{key:"_setACKTimer",value:function(){var e=this;this._timers.ackTimer=setTimeout((function(){e._status===P.STATUS_WAITING_FOR_ACK&&(x.debug("no ACK received, terminating the session"),clearTimeout(e._timers.invite2xxTimer),e.sendRequest(T.BYE),e._ended("remote",null,T.causes.NO_ACK))}),E.TIMER_H)}},{key:"_createRTCConnection",value:function(e,t){var n=this;this._connection=new RTCPeerConnection(e,t),this._connection.addEventListener("iceconnectionstatechange",(function(){var e=n._connection.iceConnectionState;"failed"===e&&n.terminate({cause:T.causes.RTP_TIMEOUT,status_code:408,reason_phrase:T.causes.RTP_TIMEOUT})})),x.debug('emit "peerconnection"'),this.emit("peerconnection",{peerconnection:this._connection})}},{key:"_createLocalDescription",value:function(e,t){var n=this;if(x.debug("createLocalDescription()"),"offer"!==e&&"answer"!==e)throw new Error('createLocalDescription() | invalid type "'.concat(e,'"'));var r=this._connection;return this._rtcReady=!1,Promise.resolve().then((function(){return"offer"===e?r.createOffer(t)["catch"]((function(e){return x.warn('emit "peerconnection:createofferfailed" [error:%o]',e),n.emit("peerconnection:createofferfailed",e),Promise.reject(e)})):r.createAnswer(t)["catch"]((function(e){return x.warn('emit "peerconnection:createanswerfailed" [error:%o]',e),n.emit("peerconnection:createanswerfailed",e),Promise.reject(e)}))})).then((function(e){return r.setLocalDescription(e)["catch"]((function(e){return n._rtcReady=!0,x.warn('emit "peerconnection:setlocaldescriptionfailed" [error:%o]',e),n.emit("peerconnection:setlocaldescriptionfailed",e),Promise.reject(e)}))})).then((function(){var l=t&&t.iceRestart;if("complete"===r.iceGatheringState&&!l||"gathering"===r.iceGatheringState&&n._iceReady){n._rtcReady=!0;var i={originator:"local",type:e,sdp:r.localDescription.sdp};return x.debug('emit "sdp"'),n.emit("sdp",i),Promise.resolve(i.sdp)}return new Promise((function(t){var l,i,s=!1;n._iceReady=!1;var o=function(){if(!s){r.removeEventListener("icecandidate",l),r.removeEventListener("icegatheringstatechange",i),s=!0,n._rtcReady=!0,n._iceReady=!0;var o={originator:"local",type:e,sdp:r.localDescription.sdp};x.debug('emit "sdp"'),n.emit("sdp",o),t(o.sdp)}};r.addEventListener("icecandidate",l=function(e){var t=e.candidate;t?n.emit("icecandidate",{candidate:t,ready:o}):o()}),r.addEventListener("icegatheringstatechange",i=function(){"complete"===r.iceGatheringState&&o()})}))}))}},{key:"_createDialog",value:function(e,t,n){var r="UAS"===t?e.to_tag:e.from_tag,l="UAS"===t?e.from_tag:e.to_tag,i=e.call_id+r+l,s=this._earlyDialogs[i];if(n)return!!s||(s=new w(this,e,t,w.C.STATUS_EARLY),s.error?(x.debug(s.error),this._failed("remote",e,T.causes.INTERNAL_ERROR),!1):(this._earlyDialogs[i]=s,!0));if(this._from_tag=e.from_tag,this._to_tag=e.to_tag,s)return s.update(e,t),this._dialog=s,delete this._earlyDialogs[i],!0;var o=new w(this,e,t);return o.error?(x.debug(o.error),this._failed("remote",e,T.causes.INTERNAL_ERROR),!1):(this._dialog=o,!0)}},{key:"_receiveReinvite",value:function(e){var t=this;x.debug("receiveReinvite()");var n=e.hasHeader("Content-Type")?e.getHeader("Content-Type").toLowerCase():void 0,r={request:e,callback:void 0,reject:i.bind(this)},l=!1;function i(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};l=!0;var n=t.status_code||403,r=t.reason_phrase||"",i=S.cloneArray(t.extraHeaders);if(this._status!==P.STATUS_CONFIRMED)return!1;if(n<300||n>=700)throw new TypeError("Invalid status_code: ".concat(n));e.reply(n,r,i)}if(this.emit("reinvite",r),!l){if(this._late_sdp=!1,!e.body)return this._late_sdp=!0,this._remoteHold&&(this._remoteHold=!1,this._onunhold("remote")),void(this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){return t._createLocalDescription("offer",t._rtcOfferConstraints)})).then((function(e){s.call(t,e)}))["catch"]((function(){e.reply(500)})));if("application/sdp"!==n)return x.debug("invalid Content-Type"),void e.reply(415);this._processInDialogSdpOffer(e).then((function(e){t._status!==P.STATUS_TERMINATED&&s.call(t,e)}))["catch"]((function(e){x.warn(e)}))}function s(t){var n=this,l=["Contact: ".concat(this._contact)];this._handleSessionTimersInIncomingRequest(e,l),this._late_sdp&&(t=this._mangleOffer(t)),e.reply(200,null,l,t,(function(){n._status=P.STATUS_WAITING_FOR_ACK,n._setInvite2xxTimer(e,t),n._setACKTimer()})),"function"===typeof r.callback&&r.callback()}}},{key:"_receiveUpdate",value:function(e){var t=this;x.debug("receiveUpdate()");var n=e.hasHeader("Content-Type")?e.getHeader("Content-Type").toLowerCase():void 0,r={request:e,callback:void 0,reject:i.bind(this)},l=!1;function i(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};l=!0;var n=t.status_code||403,r=t.reason_phrase||"",i=S.cloneArray(t.extraHeaders);if(this._status!==P.STATUS_CONFIRMED)return!1;if(n<300||n>=700)throw new TypeError("Invalid status_code: ".concat(n));e.reply(n,r,i)}if(this.emit("update",r),!l)if(e.body){if("application/sdp"!==n)return x.debug("invalid Content-Type"),void e.reply(415);this._processInDialogSdpOffer(e).then((function(e){t._status!==P.STATUS_TERMINATED&&s.call(t,e)}))["catch"]((function(e){x.warn(e)}))}else s.call(this,null);function s(t){var n=["Contact: ".concat(this._contact)];this._handleSessionTimersInIncomingRequest(e,n),e.reply(200,null,n,t),"function"===typeof r.callback&&r.callback()}}},{key:"_processInDialogSdpOffer",value:function(e){var t=this;x.debug("_processInDialogSdpOffer()");var n,r=e.parseSDP(),i=!1,s=l(r.media);try{for(s.s();!(n=s.n()).done;){var o=n.value;if(-1!==U.indexOf(o.type)){var u=o.direction||r.direction||"sendrecv";if("sendonly"!==u&&"inactive"!==u){i=!1;break}i=!0}}}catch(h){s.e(h)}finally{s.f()}var a={originator:"remote",type:"offer",sdp:e.body};x.debug('emit "sdp"'),this.emit("sdp",a);var c=new RTCSessionDescription({type:"offer",sdp:a.sdp});return this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){if(t._status===P.STATUS_TERMINATED)throw new Error("terminated");return t._connection.setRemoteDescription(c)["catch"]((function(n){throw e.reply(488),x.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',n),t.emit("peerconnection:setremotedescriptionfailed",n),n}))})).then((function(){if(t._status===P.STATUS_TERMINATED)throw new Error("terminated");!0===t._remoteHold&&!1===i?(t._remoteHold=!1,t._onunhold("remote")):!1===t._remoteHold&&!0===i&&(t._remoteHold=!0,t._onhold("remote"))})).then((function(){if(t._status===P.STATUS_TERMINATED)throw new Error("terminated");return t._createLocalDescription("answer",t._rtcAnswerConstraints)["catch"]((function(t){throw e.reply(500),x.warn('emit "peerconnection:createtelocaldescriptionfailed" [error:%o]',t),t}))}))["catch"]((function(e){x.warn("_processInDialogSdpOffer() failed [error: %o]",e)})),this._connectionPromiseQueue}},{key:"_receiveRefer",value:function(e){var t=this;if(x.debug("receiveRefer()"),!e.refer_to)return x.debug("no Refer-To header field present in REFER"),void e.reply(400);if(e.refer_to.uri.scheme!==T.SIP)return x.debug("Refer-To header field points to a non-SIP URI scheme"),void e.reply(416);e.reply(202);var r=new k(this,e.cseq);function l(t){var l=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t="function"===typeof t?t:null,this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_CONFIRMED)return!1;var i=new n(this._ua);if(i.on("progress",(function(e){var t=e.response;r.notify(t.status_code,t.reason_phrase)})),i.on("accepted",(function(e){var t=e.response;r.notify(t.status_code,t.reason_phrase)})),i.on("_failed",(function(e){var t=e.message,n=e.cause;t?r.notify(t.status_code,t.reason_phrase):r.notify(487,n)})),e.refer_to.uri.hasHeader("replaces")){var s=decodeURIComponent(e.refer_to.uri.getHeader("replaces"));l.extraHeaders=S.cloneArray(l.extraHeaders),l.extraHeaders.push("Replaces: ".concat(s))}i.connect(e.refer_to.uri.toAor(),l,t)}function i(){r.notify(603)}x.debug('emit "refer"'),this.emit("refer",{request:e,accept:function(e,n){l.call(t,e,n)},reject:function(){i.call(t)}})}},{key:"_receiveNotify",value:function(e){switch(x.debug("receiveNotify()"),e.event||e.reply(400),e.event.event){case"refer":var t,n;if(e.event.params&&e.event.params.id)t=e.event.params.id,n=this._referSubscribers[t];else{if(1!==Object.keys(this._referSubscribers).length)return void e.reply(400,"Missing event id parameter");n=this._referSubscribers[Object.keys(this._referSubscribers)[0]]}if(!n)return void e.reply(481,"Subscription does not exist");n.receiveNotify(e),e.reply(200);break;default:e.reply(489)}}},{key:"_receiveReplaces",value:function(e){var t=this;function r(t){var r=this;if(this._status!==P.STATUS_WAITING_FOR_ACK&&this._status!==P.STATUS_CONFIRMED)return!1;var l=new n(this._ua);l.on("confirmed",(function(){r.terminate()})),l.init_incoming(e,t)}function l(){x.debug("Replaced INVITE rejected by the user"),e.reply(486)}x.debug("receiveReplaces()"),this.emit("replaces",{request:e,accept:function(e){r.call(t,e)},reject:function(){l.call(t)}})}},{key:"_sendInitialRequest",value:function(e,t,n){var r=this,l=new R(this._ua,this._request,{onRequestTimeout:function(){r.onRequestTimeout()},onTransportError:function(){r.onTransportError()},onAuthenticated:function(e){r._request=e},onReceiveResponse:function(e){r._receiveInviteResponse(e)}});Promise.resolve().then((function(){return n||(e.audio||e.video?(r._localMediaStreamLocallyGenerated=!0,navigator.mediaDevices.getUserMedia(e)["catch"]((function(e){if(r._status===P.STATUS_TERMINATED)throw new Error("terminated");throw r._failed("local",null,T.causes.USER_DENIED_MEDIA_ACCESS),x.warn('emit "getusermediafailed" [error:%o]',e),r.emit("getusermediafailed",e),e}))):void 0)})).then((function(e){if(r._status===P.STATUS_TERMINATED)throw new Error("terminated");return r._localMediaStream=e,e&&e.getTracks().forEach((function(t){r._connection.addTrack(t,e)})),r._connecting(r._request),r._createLocalDescription("offer",t)["catch"]((function(e){throw r._failed("local",null,T.causes.WEBRTC_ERROR),e}))})).then((function(e){if(r._is_canceled||r._status===P.STATUS_TERMINATED)throw new Error("terminated");r._request.body=e,r._status=P.STATUS_INVITE_SENT,x.debug('emit "sending" [request:%o]',r._request),r.emit("sending",{request:r._request}),l.send()}))["catch"]((function(e){r._status!==P.STATUS_TERMINATED&&x.warn(e)}))}},{key:"_getDTMFRTPSender",value:function(){var e=this._connection.getSenders().find((function(e){return e.track&&"audio"===e.track.kind}));if(e&&e.dtmf)return e.dtmf;x.warn("sendDTMF() | no local audio track to send DTMF with")}},{key:"_receiveInviteResponse",value:function(e){var t=this;if(x.debug("receiveInviteResponse()"),this._dialog&&e.status_code>=200&&e.status_code<=299){if(this._dialog.id.call_id===e.call_id&&this._dialog.id.local_tag===e.from_tag&&this._dialog.id.remote_tag===e.to_tag)return void this.sendRequest(T.ACK);var n=new w(this,e,"UAC");return void 0!==n.error?void x.debug(n.error):(this.sendRequest(T.ACK),void this.sendRequest(T.BYE))}if(this._is_canceled)e.status_code>=100&&e.status_code<200?this._request.cancel(this._cancel_reason):e.status_code>=200&&e.status_code<299&&this._acceptAndTerminate(e);else if(this._status===P.STATUS_INVITE_SENT||this._status===P.STATUS_1XX_RECEIVED)switch(!0){case/^100$/.test(e.status_code):this._status=P.STATUS_1XX_RECEIVED;break;case/^1[0-9]{2}$/.test(e.status_code):if(!e.to_tag){x.debug("1xx response received without to tag");break}if(e.hasHeader("contact")&&!this._createDialog(e,"UAC",!0))break;if(this._status=P.STATUS_1XX_RECEIVED,!e.body){this._progress("remote",e);break}var r={originator:"remote",type:"answer",sdp:e.body};x.debug('emit "sdp"'),this.emit("sdp",r);var l=new RTCSessionDescription({type:"answer",sdp:r.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){return t._connection.setRemoteDescription(l)})).then((function(){return t._progress("remote",e)}))["catch"]((function(e){x.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',e),t.emit("peerconnection:setremotedescriptionfailed",e)}));break;case/^2[0-9]{2}$/.test(e.status_code):if(this._status=P.STATUS_CONFIRMED,!e.body){this._acceptAndTerminate(e,400,T.causes.MISSING_SDP),this._failed("remote",e,T.causes.BAD_MEDIA_DESCRIPTION);break}if(!this._createDialog(e,"UAC"))break;var i={originator:"remote",type:"answer",sdp:e.body};x.debug('emit "sdp"'),this.emit("sdp",i);var s=new RTCSessionDescription({type:"answer",sdp:i.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){if("stable"===t._connection.signalingState)return t._connection.createOffer(t._rtcOfferConstraints).then((function(e){return t._connection.setLocalDescription(e)}))["catch"]((function(n){t._acceptAndTerminate(e,500,n.toString()),t._failed("local",e,T.causes.WEBRTC_ERROR)}))})).then((function(){t._connection.setRemoteDescription(s).then((function(){t._handleSessionTimersInIncomingResponse(e),t._accepted("remote",e),t.sendRequest(T.ACK),t._confirmed("local",null)}))["catch"]((function(n){t._acceptAndTerminate(e,488,"Not Acceptable Here"),t._failed("remote",e,T.causes.BAD_MEDIA_DESCRIPTION),x.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',n),t.emit("peerconnection:setremotedescriptionfailed",n)}))}));break;default:var o=S.sipErrorCause(e.status_code);this._failed("remote",e,o)}}},{key:"_sendReinvite",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};x.debug("sendReinvite()");var n=S.cloneArray(t.extraHeaders),r=S.cloneObject(t.eventHandlers),l=t.rtcOfferConstraints||this._rtcOfferConstraints||null,i=!1;function s(e){var t=this;if(this._status!==P.STATUS_TERMINATED&&(this.sendRequest(T.ACK),!i))if(this._handleSessionTimersInIncomingResponse(e),e.body)if(e.hasHeader("Content-Type")&&"application/sdp"===e.getHeader("Content-Type").toLowerCase()){var n={originator:"remote",type:"answer",sdp:e.body};x.debug('emit "sdp"'),this.emit("sdp",n);var l=new RTCSessionDescription({type:"answer",sdp:n.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){return t._connection.setRemoteDescription(l)})).then((function(){r.succeeded&&r.succeeded(e)}))["catch"]((function(e){o.call(t),x.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',e),t.emit("peerconnection:setremotedescriptionfailed",e)}))}else o.call(this);else o.call(this)}function o(e){r.failed&&r.failed(e)}n.push("Contact: ".concat(this._contact)),n.push("Content-Type: application/sdp"),this._sessionTimers.running&&n.push("Session-Expires: ".concat(this._sessionTimers.currentExpires,";refresher=").concat(this._sessionTimers.refresher?"uac":"uas")),this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){return e._createLocalDescription("offer",l)})).then((function(t){t=e._mangleOffer(t);var r={originator:"local",type:"offer",sdp:t};x.debug('emit "sdp"'),e.emit("sdp",r),e.sendRequest(T.INVITE,{extraHeaders:n,body:t,eventHandlers:{onSuccessResponse:function(t){s.call(e,t),i=!0},onErrorResponse:function(t){o.call(e,t)},onTransportError:function(){e.onTransportError()},onRequestTimeout:function(){e.onRequestTimeout()},onDialogError:function(){e.onDialogError()}}})}))["catch"]((function(){o()}))}},{key:"_sendUpdate",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};x.debug("sendUpdate()");var n=S.cloneArray(t.extraHeaders),r=S.cloneObject(t.eventHandlers),l=t.rtcOfferConstraints||this._rtcOfferConstraints||null,i=t.sdpOffer||!1,s=!1;function o(e){var t=this;if(this._status!==P.STATUS_TERMINATED&&!s)if(this._handleSessionTimersInIncomingResponse(e),i){if(!e.body)return void u.call(this);if(!e.hasHeader("Content-Type")||"application/sdp"!==e.getHeader("Content-Type").toLowerCase())return void u.call(this);var n={originator:"remote",type:"answer",sdp:e.body};x.debug('emit "sdp"'),this.emit("sdp",n);var l=new RTCSessionDescription({type:"answer",sdp:n.sdp});this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){return t._connection.setRemoteDescription(l)})).then((function(){r.succeeded&&r.succeeded(e)}))["catch"]((function(e){u.call(t),x.warn('emit "peerconnection:setremotedescriptionfailed" [error:%o]',e),t.emit("peerconnection:setremotedescriptionfailed",e)}))}else r.succeeded&&r.succeeded(e)}function u(e){r.failed&&r.failed(e)}n.push("Contact: ".concat(this._contact)),this._sessionTimers.running&&n.push("Session-Expires: ".concat(this._sessionTimers.currentExpires,";refresher=").concat(this._sessionTimers.refresher?"uac":"uas")),i?(n.push("Content-Type: application/sdp"),this._connectionPromiseQueue=this._connectionPromiseQueue.then((function(){return e._createLocalDescription("offer",l)})).then((function(t){t=e._mangleOffer(t);var r={originator:"local",type:"offer",sdp:t};x.debug('emit "sdp"'),e.emit("sdp",r),e.sendRequest(T.UPDATE,{extraHeaders:n,body:t,eventHandlers:{onSuccessResponse:function(t){o.call(e,t),s=!0},onErrorResponse:function(t){u.call(e,t)},onTransportError:function(){e.onTransportError()},onRequestTimeout:function(){e.onRequestTimeout()},onDialogError:function(){e.onDialogError()}}})}))["catch"]((function(){u.call(e)}))):this.sendRequest(T.UPDATE,{extraHeaders:n,eventHandlers:{onSuccessResponse:function(t){o.call(e,t)},onErrorResponse:function(t){u.call(e,t)},onTransportError:function(){e.onTransportError()},onRequestTimeout:function(){e.onRequestTimeout()},onDialogError:function(){e.onDialogError()}}})}},{key:"_acceptAndTerminate",value:function(e,t,n){x.debug("acceptAndTerminate()");var r=[];t&&(n=n||T.REASON_PHRASE[t]||"",r.push("Reason: SIP ;cause=".concat(t,'; text="').concat(n,'"'))),(this._dialog||this._createDialog(e,"UAC"))&&(this.sendRequest(T.ACK),this.sendRequest(T.BYE,{extraHeaders:r})),this._status=P.STATUS_TERMINATED}},{key:"_mangleOffer",value:function(e){if(!this._localHold&&!this._remoteHold)return e;if(e=g.parse(e),this._localHold&&!this._remoteHold){x.debug("mangleOffer() | me on hold, mangling offer");var t,n=l(e.media);try{for(n.s();!(t=n.n()).done;){var r=t.value;-1!==U.indexOf(r.type)&&(r.direction?"sendrecv"===r.direction?r.direction="sendonly":"recvonly"===r.direction&&(r.direction="inactive"):r.direction="sendonly")}}catch(h){n.e(h)}finally{n.f()}}else if(this._localHold&&this._remoteHold){x.debug("mangleOffer() | both on hold, mangling offer");var i,s=l(e.media);try{for(s.s();!(i=s.n()).done;){var o=i.value;-1!==U.indexOf(o.type)&&(o.direction="inactive")}}catch(h){s.e(h)}finally{s.f()}}else if(this._remoteHold){x.debug("mangleOffer() | remote on hold, mangling offer");var u,a=l(e.media);try{for(a.s();!(u=a.n()).done;){var c=u.value;-1!==U.indexOf(c.type)&&(c.direction?"sendrecv"===c.direction?c.direction="recvonly":"recvonly"===c.direction&&(c.direction="inactive"):c.direction="recvonly")}}catch(h){a.e(h)}finally{a.f()}}return g.write(e)}},{key:"_setLocalMediaStatus",value:function(){var e=!0,t=!0;(this._localHold||this._remoteHold)&&(e=!1,t=!1),this._audioMuted&&(e=!1),this._videoMuted&&(t=!1),this._toggleMuteAudio(!e),this._toggleMuteVideo(!t)}},{key:"_handleSessionTimersInIncomingRequest",value:function(e,t){var n;this._sessionTimers.enabled&&(e.session_expires&&e.session_expires>=T.MIN_SESSION_EXPIRES?(this._sessionTimers.currentExpires=e.session_expires,n=e.session_expires_refresher||"uas"):(this._sessionTimers.currentExpires=this._sessionTimers.defaultExpires,n="uas"),t.push("Session-Expires: ".concat(this._sessionTimers.currentExpires,";refresher=").concat(n)),this._sessionTimers.refresher="uas"===n,this._runSessionTimer())}},{key:"_handleSessionTimersInIncomingResponse",value:function(e){var t;this._sessionTimers.enabled&&(e.session_expires&&e.session_expires>=T.MIN_SESSION_EXPIRES?(this._sessionTimers.currentExpires=e.session_expires,t=e.session_expires_refresher||"uac"):(this._sessionTimers.currentExpires=this._sessionTimers.defaultExpires,t="uac"),this._sessionTimers.refresher="uac"===t,this._runSessionTimer())}},{key:"_runSessionTimer",value:function(){var e=this,t=this._sessionTimers.currentExpires;this._sessionTimers.running=!0,clearTimeout(this._sessionTimers.timer),this._sessionTimers.refresher?this._sessionTimers.timer=setTimeout((function(){e._status!==P.STATUS_TERMINATED&&e._isReadyToReOffer()&&(x.debug("runSessionTimer() | sending session refresh request"),e._sessionTimers.refreshMethod===T.UPDATE?e._sendUpdate():e._sendReinvite())}),500*t):this._sessionTimers.timer=setTimeout((function(){e._status!==P.STATUS_TERMINATED&&(x.warn("runSessionTimer() | timer expired, terminating the session"),e.terminate({cause:T.causes.REQUEST_TIMEOUT,status_code:408,reason_phrase:"Session Timer Expired"}))}),1100*t)}},{key:"_toggleMuteAudio",value:function(e){var t,n=this._connection.getSenders().filter((function(e){return e.track&&"audio"===e.track.kind})),r=l(n);try{for(r.s();!(t=r.n()).done;){var i=t.value;i.track.enabled=!e}}catch(s){r.e(s)}finally{r.f()}}},{key:"_toggleMuteVideo",value:function(e){var t,n=this._connection.getSenders().filter((function(e){return e.track&&"video"===e.track.kind})),r=l(n);try{for(r.s();!(t=r.n()).done;){var i=t.value;i.track.enabled=!e}}catch(s){r.e(s)}finally{r.f()}}},{key:"_newRTCSession",value:function(e,t){x.debug("newRTCSession()"),this._ua.newRTCSession(this,{originator:e,session:this,request:t})}},{key:"_connecting",value:function(e){x.debug("session connecting"),x.debug('emit "connecting"'),this.emit("connecting",{request:e})}},{key:"_progress",value:function(e,t){x.debug("session progress"),x.debug('emit "progress"'),this.emit("progress",{originator:e,response:t||null})}},{key:"_accepted",value:function(e,t){x.debug("session accepted"),this._start_time=new Date,x.debug('emit "accepted"'),this.emit("accepted",{originator:e,response:t||null})}},{key:"_confirmed",value:function(e,t){x.debug("session confirmed"),this._is_confirmed=!0,x.debug('emit "confirmed"'),this.emit("confirmed",{originator:e,ack:t||null})}},{key:"_ended",value:function(e,t,n){x.debug("session ended"),this._end_time=new Date,this._close(),x.debug('emit "ended"'),this.emit("ended",{originator:e,message:t||null,cause:n})}},{key:"_failed",value:function(e,t,n){x.debug("session failed"),x.debug('emit "_failed"'),this.emit("_failed",{originator:e,message:t||null,cause:n}),this._close(),x.debug('emit "failed"'),this.emit("failed",{originator:e,message:t||null,cause:n})}},{key:"_onhold",value:function(e){x.debug("session onhold"),this._setLocalMediaStatus(),x.debug('emit "hold"'),this.emit("hold",{originator:e})}},{key:"_onunhold",value:function(e){x.debug("session onunhold"),this._setLocalMediaStatus(),x.debug('emit "unhold"'),this.emit("unhold",{originator:e})}},{key:"_onmute",value:function(e){var t=e.audio,n=e.video;x.debug("session onmute"),this._setLocalMediaStatus(),x.debug('emit "muted"'),this.emit("muted",{audio:t,video:n})}},{key:"_onunmute",value:function(e){var t=e.audio,n=e.video;x.debug("session onunmute"),this._setLocalMediaStatus(),x.debug('emit "unmuted"'),this.emit("unmuted",{audio:t,video:n})}},{key:"C",get:function(){return P}},{key:"causes",get:function(){return T.causes}},{key:"id",get:function(){return this._id}},{key:"connection",get:function(){return this._connection}},{key:"contact",get:function(){return this._contact}},{key:"direction",get:function(){return this._direction}},{key:"local_identity",get:function(){return this._local_identity}},{key:"remote_identity",get:function(){return this._remote_identity}},{key:"start_time",get:function(){return this._start_time}},{key:"end_time",get:function(){return this._end_time}},{key:"data",get:function(){return this._data},set:function(e){this._data=e}},{key:"status",get:function(){return this._status}}]),n}(v)}}]);