rooms-list is not listing all rooms about rtcmulticonnection HOT 2 OPEN

document.getElementById('setup-new-conference').onclick = function() {
    this.disabled = true;

    var roomid = document.getElementById('conference-name').value || 'Anonymous';
    connection.extra = {
        'session-name': roomid,
        'fullName': 'something special'
    };
    connection.sessionid = roomid;
    connection.open();
};

connection.onstream = function(e) {
    e.mediaElement.title = e.extra.fullName; // check this line

    e.mediaElement.width = 600;
    videosContainer.insertBefore(e.mediaElement, videosContainer.firstChild);
    rotateVideo(e.mediaElement);
    scaleVideos();
};

document.getElementById('setup-new-conference').onclick = function() {
    this.disabled = true;
    connection.open(document.getElementById('conference-name').value || 'Anonymous');
};

// and
connection.onNewSession = function(session) {
     alert( session.sessionid ); // unique session id listed on users' pages.
};