setAllowIncomingWhileBusy method
Whether the Twilio Device raises incoming while already on a call, via the SDK's
allowIncomingWhileBusy device option. Applied to the active device immediately.
Implementation
@override
Future<bool> setAllowIncomingWhileBusy({bool allow = true}) async {
_allowIncomingWhileBusy = allow;
device?.updateOptions(_deviceOptions);
return true;
}