with asterisk running, if i call sipp <ip address> -s 91112222 -d 60000 -r 20 -t un -sn uac -m 60 all the calls get set up, and after a minute when asterisk receives the 1st BYE from uac, it responds with 200 OK and then crashes. If i restart asterisk, all the calls get terminated properly. in the extensions, i have [default] exten => 9111222,1,Answer exten => 9111222,3,Wait(600) exten => 9111222,4,Hangup please help as i am unable to continue with any load tests ! tulika _________________________________________________________________ Kareena or Rani? Saif or SRK? http://server1.msn.co.in/sp05/iifa/ Rock your vote now at IIFA.