Execute a hangup immediately if received a CANCEL message.

This fixes the total duration of a cancelled call in slow routing scenarios.


git-svn-id: http://voip.null.ro/svn/yate@5017 acf43c95-373e-0410-b603-e72c3f656dc1

modules/ysipchan.cpp

@@ -5850,6 +5850,7 @@ void YateSIPConnection::doCancel(SIPTransaction* t)
 	m_byebye = false;
 	clearTransaction();
 	disconnect("Cancelled");
+	hangup();
     }
     else
 	t->setResponse(481);