code: public void scheduleAsynchronousWork(
  			SipApplicationSessionAsynchronousWork work) {
  		sipContext.getSipApplicationDispatcher().getAsynchronousExecutor().execute(new SipApplicationSessionAsyncTask(key, work, (SipFactoryImpl)sipContext.getSipApplicationDispatcher().getSipFactory()));
  	}
docs: /*
  (non-Javadoc)
  @see org.mobicents.javax.servlet.sip.SipApplicationSessionExt#scheduleAsynchronousWork(org.mobicents.javax.servlet.sip.SipApplicationSessionAsynchronousWork)