Updates app.bundle.js

index.html

     <script src="libs/popover.js?v=1"></script><!-- bootstrap tooltip lib -->
     <script src="libs/toastr.js?v=1"></script><!-- notifications lib -->
     <script src="interface_config.js?v=5"></script>
-    <script src="libs/app.bundle.js?v=131"></script>
+    <script src="libs/app.bundle.js?v=132"></script>
     <script src="analytics.js?v=1"></script><!-- google analytics plugin -->
     <link rel="stylesheet" href="css/font.css?v=7"/>
     <link rel="stylesheet" href="css/toastr.css?v=1">

libs/app.bundle.js

 
     APP.xmpp.addListener(XMPPEvents.ROOM_JOIN_ERROR, function (pres) {
         UI.messageHandler.openReportDialog(null,
-            "dialog.joinError", pres);
+            "dialog.connectError", pres);
     });
     APP.xmpp.addListener(XMPPEvents.ROOM_CONNECT_ERROR, function (pres) {
         UI.messageHandler.openReportDialog(null,
         this.userID =  APP.xmpp.myResource();
 
         var location = window.location;
-        this.confID = location.protocol + "//" +
-            location.hostname + location.pathname;
+        this.confID = location.hostname + location.pathname;
 
         //userID is generated or given by the origin server
         callStats.initialize(config.callStatsID,
             this.connection.sendIQ(iq, success, error, timeout);
         },
 
+        /**
+         * Checks if given <tt>jid</tt> has XEP-0199 ping support.
+         * @param jid the JID to be checked for ping support.
+         * @param callback function with boolean argument which will be
+         * <tt>true</tt> if XEP-0199 ping is supported by given <tt>jid</tt>
+         */
+        hasPingSupport: function (jid, callback) {
+            this.connection.disco.info(
+                jid, null,
+                function (result) {
+                    var ping = $(result).find('>>feature[var="urn:xmpp:ping"]');
+                    callback(ping.length > 0);
+                },
+                function (error) {
+                    console.error("Ping feature discovery error", error);
+                    callback(false);
+                }
+            );
+        },
+
         /**
          * Starts to send ping in given interval to specified remote JID.
          * This plugin supports only one such task and <tt>stopInterval</tt>
 
                 console.info("My Jabber ID: " + connection.jid);
 
-                connection.ping.startInterval(config.hosts.domain);
+                // Schedule ping ?
+                var pingJid = connection.domain;
+                connection.ping.hasPingSupport(
+                    pingJid,
+                    function (hasPing) {
+                        if (hasPing)
+                            connection.ping.startInterval(pingJid);
+                        else
+                            console.warn("Ping NOT supported by " + pingJid);
+                    }
+                );
 
                 if (password)
                     authenticatedUser = true;