Hi, Ser, sems is leaving following error message in my suyslog ep 14 12:12:32 mail /usr/sbin/ser[23536]: Warning: run_failure_handlers: no UAC support (0, 256) Sep 14 12:12:32 mail Sems[23635]: Error: (AmRequest.cpp)(bye)(256): AmRequest::b ye: 481 Call/Transaction Does Not Exist What does it means? pavol