Added callbacks to addIceCandidate function to comply with WebRTC API.

static/js/mediastream/peercall.js

@@ -243,7 +243,11 @@ define(['jquery', 'underscore', 'mediastream/utils', 'mediastream/peerconnection
 			// Avoid errors when still receiving candidates but closed.
 			return;
 		}
-		this.peerconnection.addIceCandidate(candidate);
+		this.peerconnection.addIceCandidate(candidate, function() {
+			//console.log("Remote candidate added successfully.", candidate);
+		}, function(error) {
+			console.warn("Failed to add remote candidate:", error, candidate);
+		});
 
 	};