Adds isSIPCallingSupported method to the conference

JitsiConference.js

@@ -577,6 +577,15 @@ JitsiConference.prototype.toggleRecording = function (token, followEntity) {
         reject(new Error("The conference is not created yet!"))});
 }
 
+/**
+ * Returns true if the SIP calls are supported and false otherwise
+ */
+JitsiConference.prototype.isSIPCallingSupported = function () {
+    if(this.room)
+        return this.room.isSIPCallingSupported();
+    return false;
+}
+
 /**
  * Dials a number.
  * @param number the number

lib-jitsi-meet.js

@@ -579,6 +579,15 @@ JitsiConference.prototype.toggleRecording = function (token, followEntity) {
         reject(new Error("The conference is not created yet!"))});
 }
 
+/**
+ * Returns true if the SIP calls are supported and false otherwise
+ */
+JitsiConference.prototype.isSIPCallingSupported = function () {
+    if(this.room)
+        return this.room.isSIPCallingSupported();
+    return false;
+}
+
 /**
  * Dials a number.
  * @param number the number
@@ -6753,6 +6762,15 @@ ChatRoom.prototype.toggleRecording = function (token, followEntity) {
         reject(new Error("The conference is not created yet!"))});
 }
 
+/**
+ * Returns true if the SIP calls are supported and false otherwise
+ */
+ChatRoom.prototype.isSIPCallingSupported = function () {
+    if(this.moderator)
+        return this.moderator.isSipGatewayEnabled();
+    return false;
+}
+
 /**
  * Dials a number.
  * @param number the number
@@ -10552,7 +10570,7 @@ function Moderator(roomName, xmpp, emitter) {
     // Sip gateway can be enabled by configuring Jigasi host in config.js or
     // it will be enabled automatically if focus detects the component through
     // service discovery.
-    this.sipGatewayEnabled =
+    this.sipGatewayEnabled = this.xmppService.options.hosts &&
         this.xmppService.options.hosts.call_control !== undefined;
 
     this.eventEmitter = emitter;

modules/xmpp/ChatRoom.js

@@ -706,6 +706,15 @@ ChatRoom.prototype.toggleRecording = function (token, followEntity) {
         reject(new Error("The conference is not created yet!"))});
 }
 
+/**
+ * Returns true if the SIP calls are supported and false otherwise
+ */
+ChatRoom.prototype.isSIPCallingSupported = function () {
+    if(this.moderator)
+        return this.moderator.isSipGatewayEnabled();
+    return false;
+}
+
 /**
  * Dials a number.
  * @param number the number

modules/xmpp/moderator.js

@@ -38,7 +38,7 @@ function Moderator(roomName, xmpp, emitter) {
     // Sip gateway can be enabled by configuring Jigasi host in config.js or
     // it will be enabled automatically if focus detects the component through
     // service discovery.
-    this.sipGatewayEnabled =
+    this.sipGatewayEnabled = this.xmppService.options.hosts &&
         this.xmppService.options.hosts.call_control !== undefined;
 
     this.eventEmitter = emitter;