code: function connect() {
      easyrtc.enableDebug(false);
      easyrtc.enableDataChannels(true);
      easyrtc.enableVideo(false);
      easyrtc.enableAudio(false);
      easyrtc.enableVideoReceive(false);
      easyrtc.enableAudioReceive(false);
      easyrtc.setDataChannelOpenListener(openListener);
      easyrtc.setDataChannelCloseListener(closeListener);
      easyrtc.setPeerListener(addToConversation);
      easyrtc.setRoomOccupantListener(convertListToButtons);
      easyrtc.connect("easyrtc.dataMessaging", loginSuccess, loginFailure);
  }
docs: tracks which channels are active