How to restart WCS server
                  
                                    service webcallserver stop
  service webcallserver start
 or
  service webcallserver restart
 or
  cd /usr/local/FlashphonerWebCallServer/bin ./webcallserver restart
 If you have any issues with WCS restart, make sure server has been stopped properly.
 If not, kill all WCS processes found by this command
  ps aux | grep java
 and try to start WCS server again