request.setAttribute(RESP_INV, response);
request.getSession().setHandler(getServletName());
// if leg2 took more than 10s to pick up call, cancel it.
ServletTimer cancelCallTask = _timerService.createTimer(leg1.getApplicationSession(), 15000,
false, new CancelCallTask(leg1, request));
leg1.setAttribute(CancelCallTask.class.getName(), cancelCallTask);
request.send();