private async Task <VoipPhoneCallResourceReservationStatus> LaunchRTCTaskAsync()
{
// End current call before starting another call, there should be only one RTC task active at a time.
// Duplicate calls to launch RTC task will result in HR ERROR_ALREADY_EXSIST
// <TODO> For multiple calls against single rtc task add logic to verify that the rtc is not completed,
// and then Skip launching new rtc task
Current.EndCall();
VoipCallCoordinator vCC = VoipCallCoordinator.GetDefault();
VoipPhoneCallResourceReservationStatus status = VoipPhoneCallResourceReservationStatus.ResourcesNotAvailable;
try
{
status = await vCC.ReserveCallResourcesAsync(Current.RtcCallTaskName);
}
catch (Exception ex)
{
if (ex.HResult == RTcTaskAlreadyRuningErrorCode)
{
Debug.WriteLine("RTC Task Already running");
}
}
return(status);
}
private async void ConnectToVoiceChannel(VoiceServerUpdate data, VoiceState state)
{
voipCall?.NotifyCallEnded();
VoipCallCoordinator vcc = VoipCallCoordinator.GetDefault();
var status = await vcc.ReserveCallResourcesAsync("WebRTCBackgroundTask.VoipBackgroundTask");
// TODO: More info for Mobile
voipCall = vcc.RequestNewOutgoingCall(string.Empty, string.Empty, "Quarrel", VoipPhoneCallMedia.Audio);
voipCall.NotifyCallActive();
voiceConnection = new VoiceConnection(data, state, webrtcManager);
voiceConnection.Speak += Speak;
await voiceConnection.ConnectAsync();
}