/// <summary>
/// This will be called when an incoming call received.
/// </summary>
private void SoftPhone_IncomingCall(object sender, VoIPEventArgs <IPhoneCall> e)
{
IPhoneCall call = e.Item;
lock (_sync)
{
SubscribeToCallEvents(call);
// automatically rejected for some reason
if (call.CallState.IsCallEnded())
{
CallHistory.Add(call);
return;
}
// add to call container
PhoneCalls.Add(call);
// if no call is in progress, select the incoming call as current call and attach the audio to hear the ringtone
if (SelectedCall == null)
{
SelectedCall = call;
//MediaHandlers.AttachAudio(call);
}
}
// raise IncomingCall event
OnIncomingCall(call);
Isincoming = true;
}
public SoftphoneEngine()
{
_sync = new object();
// set license here
PhoneLines = new ObservableList <IPhoneLine>();
PhoneCalls = new ObservableList <IPhoneCall>();
LogEntries = new ObservableList <LogEntry>();
InstantMessages = new ObservableList <string>();
CallHistory = new CallHistory();
CallTypes = new List <CallType> {
CallType.Audio, CallType.AudioVideo
};
_subs = new ConcurrentDictionary <IPhoneLine, ISIPSubscription>();
// enable file logging
//InitLogger(); TODO : Uncomment Later
// create softphone
MinPort = 20000;
MaxPort = 20500;
//LocalIP = SoftPhoneFactory.GetLocalIP();
InitSoftphone(false);
// create media
MediaHandlers = new MediaHandlers();
MediaHandlers.Init();
}
/// <summary>
/// This will be called when the state of a call has changed.
/// </summary>
private void Call_CallStateChanged(object sender, CallStateChangedArgs e)
{
IPhoneCall call = sender as IPhoneCall;
if (call == null)
{
return;
}
CallState state = e.State;
//Get the call state
callState = state;
OnPhoneCallStateChanged(call);
CheckStopRingback();
CheckStopRingtone();
lock (_sync)
{
// 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.AttachVideo(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 != null && SelectedCall.Equals(call))
{
MediaHandlers.DetachAudio();
//MediaHandlers.DetachVideo();
}
}
// call has ended, clean up
if (state.IsCallEnded())
{
DisposeCall(call);
CallHistory.Add(call);
PhoneCalls.Remove(call);
}
}
}