Hello Carsten, Thanks I used the below link it worked. http://www.kamailio.org/wiki/tutorials/ims/installation-howto Thank you, Kota Sai Krishna -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20130910/5673b54f/attachment-0001.html>