@Override
protected void doAck(SipServletRequest req) throws ServletException, IOException {
SipSession sipSession = req.getSession();
MediaSession ms = (MediaSession) sipSession.getAttribute("MEDIA_SESSION");
try {
MediaGroup mg = ms.createMediaGroup(MediaGroup.PLAYER_RECORDER_SIGNALDETECTOR);
mg.addListener(new MyJoinEventListener());
NetworkConnection nc = (NetworkConnection) sipSession.getAttribute("NETWORK_CONNECTION");
mg.joinInitiate(Direction.DUPLEX, nc, this);
} catch (MsControlException e) {
logger.error(e);
// Clean up media session
terminate(sipSession, ms);
}
}
