void On_AudioVideoCall_Received(object sender, CallReceivedEventArgs <AudioVideoCall> e)
{
//Type checking was done by the platform; no risk of this being any
// type other than the type expected.
_audioVideoCall = e.Call;
// Call: StateChanged: Only hooked up for logging, to show the call
// state transitions.
_audioVideoCall.StateChanged += new
EventHandler <CallStateChangedEventArgs>(_audioVideoCall_StateChanged);
// Remote Participant URI represents the far end (caller) in this
// conversation. Toast is the message set by the caller as the 'greet'
// message for this call. In Microsoft Lync, the toast will
// show up in the lower-right of the screen.
Console.WriteLine("Call Received! From: " + e.RemoteParticipant.Uri + " Toast is: " +
e.ToastMessage.Message);
// Now, forward the call to the user given above. Forwarding is not
// an async operation; it completes as soon as the message is sent,
// without waiting for a reply from the far end.
_audioVideoCall.Forward(_forwardUserURI);
_autoResetEvent.Set();
}