code: public void stop() {
      	if(logger.isDebugEnabled()) {
              logger.debug("stop");
          }
          started.set(false);
          super.cancel();
          if(logger.isDebugEnabled()) {
              logger.debug("Stopped proxy timer service "+ this);
          }
      }
docs: /* (non-Javadoc)
  @see org.mobicents.servlet.sip.core.timers.ProxyTimerService#stop()