MyCallReceiver.java

// add on manifest
// <receiver android:name=".receiver.MyCallReceiver" />


public class MyCallReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        switch (id) {
            case CallNotification.ACCEPT_VIDEO:
            // accept call and open call activity
                break;

            case CallNotification.ACCEPT_AUDIO:
            // accept call and open call activity
                break;

            case CallNotification.REJECT:
            // reject call
                break;
        }
    }
}