CONNECTION_INTERRUPTED event will now be generated if we've ever been in stable state(we can go into "unstable" state after muting video and connection problems screen will not be displayed).

modules/xmpp/JingleSessionPC.js

     this.hadstuncandidate = false;
     this.hadturncandidate = false;
     this.lasticecandidate = false;
+    // True if reconnect is in progress
     this.isreconnect = false;
+    // Set to true if the connection was ever stable
+    this.wasstable = false;
 
     this.peerconnection = new TraceablePeerConnection(
             this.connection.jingle.ice_config,
     };
     this.peerconnection.onsignalingstatechange = function (event) {
         if (!(self && self.peerconnection)) return;
+        console.info("Signaling: " + this.peerconnection.signalingState);
+        if (self.peerconnection.signalingState === 'stable') {
+            self.wasstable = true;
+        }
         self.updateModifySourcesQueue();
     };
     /**
      */
     this.peerconnection.oniceconnectionstatechange = function (event) {
         if (!(self && self.peerconnection)) return;
+        console.info("Ice: " + self.peerconnection.iceConnectionState);
         self.updateModifySourcesQueue();
         switch (self.peerconnection.iceConnectionState) {
             case 'connected':
             case 'disconnected':
                 self.isreconnect = true;
                 // Informs interested parties that the connection has been interrupted.
-                if (self.peerconnection.signalingState === 'stable')
+                if (self.wasstable)
                     self.eventEmitter.emit(XMPPEvents.CONNECTION_INTERRUPTED);
                 break;
             case 'failed':