private void StopListenDTFM(object o)
{
Debug.Assert(_listen);
DTMFFacilityRequestParameter dtfmParam = new DTMFFacilityRequestParameter();
FacilityRequest request = new FacilityRequest(dtfmParam);
request.FacilitySelector = FacilitySelector.DTMF;
dtfmParam.FacilityFunction = FacilityFunction.StopListen;
request.Identifier.Value = _plci;
RequestDTFM(request);
_listen = false;
}
private void RequestDTFM(FacilityRequest request)
{
MessageAsyncResult result = new MessageAsyncResult(this, request, null, null);
ThreadPool.QueueUserWorkItem(RequestWaitCallback, result);
object o = result.InternalWaitForCompletion();
if (o is Exception)
{
throw ((Exception)o);
}
}
private void StartListenDTFM(object o)
{
Debug.Assert(!_listen);
DTMFFacilityRequestParameter dtfmParam = new DTMFFacilityRequestParameter();
FacilityRequest request = new FacilityRequest(dtfmParam);
request.FacilitySelector = FacilitySelector.DTMF;
dtfmParam.FacilityFunction = FacilityFunction.StartListen;
dtfmParam.ToneDuration = _dtfmPause;
dtfmParam.GapDuration = _dtfmPause;
request.Identifier.Value = _plci;
RequestDTFM(request);
_listen = true;
}
public void SendDTFMTone(string digits)
{
if (_status != ConnectionStatus.Connected)
{
throw Error.NotSupported();
}
DTMFFacilityRequestParameter dtfmParam = new DTMFFacilityRequestParameter();
FacilityRequest request = new FacilityRequest(dtfmParam);
request.FacilitySelector = FacilitySelector.DTMF;
dtfmParam.FacilityFunction = FacilityFunction.Send;
dtfmParam.ToneDuration = _dtfmDuration;
dtfmParam.GapDuration = _dtfmPause;
dtfmParam.Digits = digits;
request.Identifier.Value = _plci;
RequestDTFM(request);
}
