code: protected void doBye(SipServletRequest request) throws ServletException,
  			IOException {
  		request.getSession().setAttribute("lastRequest", request);
  		if(logger.isInfoEnabled()) {
  			logger.info("Got BYE request:\n" + request);
  		}
  		sessions.get(request.getSession()).createRequest("BYE").send();
  	}
docs: {@inheritDoc}