code: public void scheduleAsynchronousWork(SipSessionAsynchronousWork work) {
  		sipFactory.getSipApplicationDispatcher().getAsynchronousExecutor().execute(new SipSessionAsyncTask(key, work, sipFactory));
  	}
docs: /*
  (non-Javadoc)
  @see org.mobicents.javax.servlet.sip.SipSessionExt#scheduleAsynchronousWork(org.mobicents.javax.servlet.sip.SipSessionAsynchronousWork)