/// <summary>
/// This event is fired in response to an incoming call. This must be accepted if no other call is in progress
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
void phone_Delivered(object sender, DeliveredEventArgs args)
{
DateTime currentTime = DateTime.Now;
CurrentState localState = getState();
if (localState == CurrentState.READY)
{
setState(CurrentState.CALLPENDING);
conn = args.AlertingConnection;
display("Going to answer incoming call from " + conn.CallerURI);
conn.AnswerCall();
}
else
// if (localState != CurrentState.READY)
{
if (calleeData != null && (currentTime.Subtract(calleeData.callConnectTime) >= new TimeSpan(0, 0, maxCallDuration + waitTimeBetweenCalls)))
// if (currentTime.Subtract(calleeData.callConnectTime) >= new TimeSpan(0, 0, maxCallDuration + waitTimeBetweenCalls))
{
// If a call comes in after the expected time, this implies that the hangup was not
// detected for the previous call. Thus, we log the previous iteration, clean up after it
// and accept this new call.
// The expected time >= max call interval + inter call duration
display("Accepting this call as hangup might not have been detected for the previous call");
missingHangupDetectionTimer.Enabled = false;
// This method sets calleeData.callReleaseTime to uninitialized value, which gets reported as a missing hangup
processHangup(new DateTime());
setState(CurrentState.CALLPENDING);
conn = args.AlertingConnection;
conn.AnswerCall();
}
else
{
/**
* If a call arrives when not expected, reject it.
*/
display("Rejecting a call from " + args.CallingDevice, MessageType.WARNING);
args.AlertingConnection.ClearConnection();
}
}
}