private void pauseOrResumeCall() {
   LinphoneCore lc = LinphoneManager.getLcIfManagerNotDestroyedOrNull();
   if (lc != null && lc.getCallsNb() >= 1) {
     LinphoneCall call = lc.getCalls()[0];
     pauseOrResumeCall(call);
   }
 }
  @Override
  public void onResume() {
    super.onResume();

    LinphoneCore lc = RedfoxManager.getLcIfManagerNotDestroyedOrNull();
    if (lc != null) {
      LinphoneCall call = lc.getCurrentCall();
      if (isInCall && (call != null || lc.getConferenceSize() > 1 || lc.getCallsNb() > 0)) {
        // We are obviously connected
        if (lc.getDefaultProxyConfig() == null) {
          statusLed.setImageResource(R.drawable.led_disconnected);
          statusText.setText(getString(R.string.no_account));
        } else {
          statusLed.setImageResource(
              getStatusIconResource(lc.getDefaultProxyConfig().getState(), true));
          statusText.setText(getStatusIconText(lc.getDefaultProxyConfig().getState()));
        }
      }
    } else {
      statusText.setVisibility(View.VISIBLE);
    }
  }