/// <summary> /// This will be called when an error occurred during the call. /// </summary> private void Call_CallErrorOccured(object sender, VoIPEventArgs <CallError> e) { IPhoneCall call = sender as IPhoneCall; if (sender == null) { return; } MediaHandlers.DetachAudio(); MediaHandlers.DetachVideo(); DisposeCall(call); OnPhoneCallStateChanged(call); }
/// <summary> /// This will be called when the state of a call has changed. /// </summary> private void Call_CallStateChanged(object sender, VoIPEventArgs <CallState> e) { IPhoneCall call = sender as IPhoneCall; if (call == null) { return; } CallState state = e.Item; OnPhoneCallStateChanged(call); CheckStopRingback(); CheckStopRingtone(); // start ringtones if (state.IsRinging()) { if (call.IsIncoming) { MediaHandlers.StartRingtone(); } else { MediaHandlers.StartRingback(); } return; } // call has been answered if (state == CallState.Answered) { return; } // attach media to the selected call when the remote party sends media data if (state.IsRemoteMediaCommunication()) { if (SelectedCall.Equals(call)) { MediaHandlers.AttachAudio(call); MediaHandlers.AttachAudio(call); } return; } // detach media from the selected call in hold state or when the call has ended if (state == CallState.LocalHeld || state == CallState.InactiveHeld || state.IsCallEnded()) { if (SelectedCall.Equals(call)) { MediaHandlers.DetachAudio(); MediaHandlers.DetachVideo(); } } // call has ended, clean up if (state.IsCallEnded()) { DisposeCall(call); CallHistory.Add(call); PhoneCalls.Remove(call); return; } }