getState method
Implementation
String? getState({String? callId}) {
if (callId == null) {
if (!callCurrentIsEmpty()) {
return _states[_callIdCurrent]?.state.toString();
} else {
_logger.error('You have to set callIdCurrent or pass param callId');
return 'UNKNOWN';
}
} else {
return _states[callId]?.state.toString();
}
}