public void connectRoomToZone(String _roomUDN, String _zoneUDN = "")
{
Dictionary<String, String> connectRoomToZoneParms = new Dictionary<String,String>();
string connectRoomToZoneRequestUri = Global.getMediaServerManager().mediaServerRequestUriBase + connectRoomToZoneUri;
if (!String.IsNullOrEmpty(_roomUDN))
connectRoomToZoneParms.Add("roomUDN", _roomUDN);
if (!String.IsNullOrEmpty(_zoneUDN))
connectRoomToZoneParms.Add("zoneUDN", _zoneUDN);
webRequestHelper.httpPostRequest(connectRoomToZoneRequestUri, connectRoomToZoneParms, null);
}