i mean the proxy server gives an direct URI of the Agent 2 to the Agent1 and vise versa. After that theirs talks directly (peer to peer, without any servers) between theirselves. As i remember it calls Redirect server or something like this. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090519/b2fd1939/attachment.html>