docs: function (clusterTimeout) {
          if (clusterUrl != null) {
              getServerFromCluster({
                  clusterUri : clusterUrl, 
                  clusterTimeout : clusterTimeout,
                  appKey : ortc.appKey
              }, 
              function (error, body) {
                  if (error != null) {
                      delegateExceptionCallback(ortc, 'Error getting server from Cluster');
                  }
                  else {
                      if (body.indexOf('SOCKET_SERVER') >= 0) {
                          url = body.substring(body.indexOf('=') + 3, body.length - 2);
                          sockjs = createSocketConnection(ortc.getUrl());
                      }
                  }
              });
          }
      }