@Override
protected void onDestroy() {
super.onDestroy();
MeetingHelper.removeInterPhoneCallback(this);
MeetingMsgReceiver.removeVoiceMeetingListener(this);
}
@Override
protected void onResume() {
super.onResume();
MeetingHelper.addInterPhoneCallback(this);
MeetingMsgReceiver.addVoiceMeetingListener(this);
}