code: public SipApplicationSession getApplicationSession() {
  		if(logger.isDebugEnabled()) {
  			logger.debug("getApplicationSession");
  		}
  
  		MobicentsSipApplicationSession sipApplicationSession = getSipApplicationSession(true);
  		if(sipApplicationSession == null) {
  			if(logger.isDebugEnabled()) {
  				logger.debug("getApplicationSession - sipApplicationSession is null");
  			}
  			return null;
  		} else {
  			return sipApplicationSession.getFacade();
  		}
  	}
docs: /*
  (non-Javadoc)
  
  @see javax.servlet.sip.SipServletMessage#getApplicationSession()