Hi list i setup successfull asterisk version 1.4 + opensips, Opensips is the Registrar Server, Asterisk is the IVR server the call flow IP phone ---INVITE 1001----> opensips -----> ASterisk ----INVITE 5001--->opensips ---> Busy|cancel|404..--->asterisk---wait 10s to bye --->IP phone (5000) my case is: 1/ IP phone(5000) --->Opensips 2/ IVR number : 1001 3/ IP Phone calls 1001 to opensips --> asterisk, ASterisk will play IVR 4/ IP phone press 1, asterisk will Dial(SIP/to_opensips/5001,20) 5/ there are some cases when asterisk send call back to opensips 5.1/ if extension 5001 does not exist, opensips send 404 message back to asterisk, then asterisk wait 10s to hangup the IP phone 5000 5.2/ if extension 5001is real, opensips send ring ring back to asterisk, then 5001 does not want to answer call 5.2.1/ the call is time out - then asterisk wait 10s to hangup the IP phone 5000 5.2.2/ the call is cancel by 5001 - asterisk receives cancel then asterisk wait 10s to hangup the IP phone 5000 5.2.3/ the Phone 5001 is busy - asterisk receive busy then asterisk wait 10s to hangup the IP phone 5000 .... how to i force asterisk hangup IP PHONE 5000 when asterisk receives time out|Cancel|busy from opensips Thank you Ha` -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20100917/92987a7c/attachment-0001.htm