Adds SIP gateway support.

app.js

 var sharedKey = '';
 var recordingToken ='';
 var roomUrl = null;
+var roomName = null;
 var ssrc2jid = {};
 /**
  * The stats collector that process stats data and triggers updates to app.js.
         }
     }
 
-    roomjid = roomnode + '@' + config.hosts.muc;
+    roomName = roomnode + '@' + config.hosts.muc;
+
+    roomjid = roomName;
 
     if (config.useNicks) {
         var nick = window.prompt('Your nickname (optional)');
             focus.setEndpointDisplayName(connection.emuc.myroomjid,
                                          nickname);
         }
+        Toolbar.showSipCallButton(true);
         Toolbar.showRecordingButton(false);
     }
 
+    if (!focus)
+    {
+        Toolbar.showSipCallButton(false);
+    }
+
     if (focus && config.etherpad_base) {
         Etherpad.init();
     }
                                          nickname);
         }
 
+        Toolbar.showSipCallButton(true);
+
         if (Object.keys(connection.emuc.members).length > 0) {
             focus.makeConference(Object.keys(connection.emuc.members));
             Toolbar.showRecordingButton(true);
             focus.setEndpointDisplayName(connection.emuc.myroomjid,
                                          nickname);
         }
+        Toolbar.showSipCallButton(true);
         Toolbar.showRecordingButton(false);
     }
     if (connection.emuc.getPrezi(jid)) {
         VideoLayout.ensurePeerContainerExists(jid);
         VideoLayout.setDisplayName(
                 'participant_' + Strophe.getResourceFromJid(jid),
-                info.displayName);
+                info.displayName, info.status);
     }
 
     if (focus !== null && info.displayName !== null) {
             "Your browser version is too old. Please update and try again...");
     }
 );
+
+function callSipButtonClicked()
+{
+    $.prompt('<h2>Enter SIP number</h2>' +
+        '<input id="sipNumber" type="text"' +
+        ' value="' + config.defaultSipNumber + '" autofocus>',
+        {
+            persistent: false,
+            buttons: { "Dial": true, "Cancel": false},
+            defaultButton: 2,
+            loaded: function (event)
+            {
+                document.getElementById('sipNumber').focus();
+            },
+            submit: function (e, v, m, f)
+            {
+                if (v)
+                {
+                    var numberInput = document.getElementById('sipNumber');
+                    if (numberInput.value)
+                    {
+                        connection.rayo.dial(
+                            numberInput.value, 'fromnumber', roomName);
+                    }
+                }
+            }
+        }
+    );
+}

config.js

     hosts: {
         domain: 'jitsi-meet.example.com',
         muc: 'conference.jitsi-meet.example.com', // FIXME: use XEP-0030
-        bridge: 'jitsi-videobridge.jitsi-meet.example.com' // FIXME: use XEP-0030
+        bridge: 'jitsi-videobridge.jitsi-meet.example.com', // FIXME: use XEP-0030
+        //call_control: 'callcontrol.jitsi-meet.example.com'
     },
 //  getroomnode: function (path) { return 'someprefixpossiblybasedonpath'; },
 //  useStunTurn: true, // use XEP-0215 to fetch STUN and TURN server
     minChromeExtVersion: '0.1', // Required version of Chrome extension
     enableRtpStats: true, // Enables RTP stats processing
     openSctp: true, // Toggle to enable/disable SCTP channels
+    //defaultSipNumber: '20669', //Default SIP number used in call dialog
 //    channelLastN: -1, // The default value of the channel attribute last-n.
 //    useRtcpMux: true,
     enableRecording: false

css/font.css

 .icon-share-doc:before {
 	content: "\e605";
 }
+.icon-telephone:before {
+    content: "\e611";
+}
 .icon-security-locked:before {
 	content: "\e607";
 }

css/videolayout_default.css

     border-radius:20px;
 }
 
+.videocontainer>span.status {
+    display: inline-block;
+    position: absolute;
+    color: #FFFFFF;
+    background: rgba(0,0,0,.7);
+    text-align: center;
+    text-overflow: ellipsis;
+    width: 70%;
+    height: 15%;
+    left: 15%;
+    bottom: 2%;
+    padding: 5px;
+    font-size: 10pt;
+    overflow: hidden;
+    white-space: nowrap;
+    z-index: 2;
+    border-radius:20px;
+}
+
+#localVideoContainer>span.status:hover,
 #localVideoContainer>span.displayname:hover {
     cursor: text;
 }
 
+.videocontainer>span.status,
 .videocontainer>span.displayname {
     pointer-events: none;
 }
     pointer-events: auto !important;
 }
 
+.videocontainer>a.status,
 .videocontainer>a.displayname {
     display: inline-block;
     position: absolute;

index.html

     <script src="libs/colibri/colibri.focus.js?v=8"></script><!-- colibri focus implementation -->
     <script src="libs/colibri/colibri.session.js?v=1"></script>
     <script src="libs/jquery-ui.js"></script>
+    <script src="libs/rayo.js?v=1"></script>
     <script src="libs/tooltip.js?v=1"></script><!-- bootstrap tooltip lib -->
     <script src="libs/popover.js?v=1"></script><!-- bootstrap tooltip lib -->
     <script src="config.js?v=3"></script><!-- adapt to your needs, i.e. set hosts and bosh path -->
                 </span>
                 <a class="button" data-toggle="popover" data-placement="bottom" data-content="Enter / Exit Full Screen" onclick='buttonClick("#fullScreen", "icon-full-screen icon-exit-full-screen");Toolbar.toggleFullScreen();'>
                     <i id="fullScreen" class="icon-full-screen"></i></a>
+                <span id="sipCallButton">
+                    <div class="header_button_separator"></div>
+                    <a class="button" data-toggle="popover" data-placement="bottom" data-content="Call SIP number" onclick='callSipButtonClicked();'>
+                        <i class="icon-telephone"></i></a>
+                </span>
             </span>
         </div>
         <div id="subject"></div>

libs/rayo.js

+/* jshint -W117 */
+Strophe.addConnectionPlugin('rayo',
+    {
+        RAYO_XMLNS: 'urn:xmpp:rayo:1',
+        connection: null,
+        init: function (conn)
+        {
+            this.connection = conn;
+            if (this.connection.disco)
+            {
+                this.connection.disco.addFeature('urn:xmpp:rayo:client:1');
+            }
+
+            this.connection.addHandler(
+                this.onRayo.bind(this), this.RAYO_XMLNS, 'iq', 'set', null, null);
+        },
+        onRayo: function (iq)
+        {
+            console.info("Rayo IQ", iq);
+        },
+        dial: function (to, from, roomName)
+        {
+            var self = this;
+            var req = $iq(
+                {
+                    type: 'set',
+                    to: config.hosts.call_control
+                }
+            );
+            req.c('dial',
+                {
+                    xmlns: this.RAYO_XMLNS,
+                    to: to,
+                    from: from
+                });
+            req.c('header',
+                {
+                    name: 'JvbRoomName',
+                    value: roomName
+                });
+
+            this.connection.sendIQ(
+                req,
+                function (result)
+                {
+                    console.info('Dial result ', result);
+
+                    var resource = $(result).find('ref').attr('uri');
+                    this.call_resource = resource.substr('xmpp:'.length);
+                    console.info(
+                        "Received call resource: " + this.call_resource);
+                },
+                function (error)
+                {
+                    console.info('Dial error ', error);
+                }
+            );
+        },
+        hang_up: function ()
+        {
+            if (!this.call_resource)
+            {
+                console.warn("No call in progress");
+                return;
+            }
+
+            var self = this;
+            var req = $iq(
+                {
+                    type: 'set',
+                    to: this.call_resource
+                }
+            );
+            req.c('hangup',
+                {
+                    xmlns: this.RAYO_XMLNS
+                });
+
+            this.connection.sendIQ(
+                req,
+                function (result)
+                {
+                    console.info('Hangup result ', result);
+                    self.call_resource = null;
+                },
+                function (error)
+                {
+                    console.info('Hangup error ', error);
+                    self.call_resource = null;
+                }
+            );
+        }
+    }
+);

toolbar.js

         $('#recordButton').toggleClass('active');
     };
 
+    // Shows or hides SIP calls button
+    my.showSipCallButton = function (show)
+    {
+        if (config.hosts.call_control && show)
+        {
+            $('#sipCallButton').css({display: "inline"});
+        }
+        else
+        {
+            $('#sipCallButton').css({display: "none"});
+        }
+    };
+
     return my;
 }(Toolbar || {}));

videolayout.js

     /**
      * Shows the display name for the given video.
      */
-    my.setDisplayName = function(videoSpanId, displayName) {
+    my.setDisplayName = function(videoSpanId, displayName, statusMsg) {
         var nameSpan = $('#' + videoSpanId + '>span.displayname');
         var defaultLocalDisplayName = "Me";
         var defaultRemoteDisplayName = "Speaker";
 
+        var statusSpan = $('#' + videoSpanId + '>span.status');
+        if (!statusSpan.length)
+        {
+            //Add status span
+            statusSpan = document.createElement('span');
+            statusSpan.className = 'status';
+            statusSpan.id = videoSpanId + '_status';
+            $('#' + videoSpanId)[0].appendChild(statusSpan);
+
+            statusSpan = $('#' + videoSpanId + '>span.status');
+        }
+
+        // Display status
+        if (statusMsg && statusMsg.length)
+        {
+            $('#' + videoSpanId + '_status').text(statusMsg);
+            statusSpan.get(0).setAttribute("style", "display:inline-block;");
+        }
+        else
+        {
+            // Hide
+            statusSpan.get(0).setAttribute("style", "display:none;");
+        }
+
         // If we already have a display name for this video.
         if (nameSpan.length > 0) {
             var nameSpanElement = nameSpan.get(0);