Hi Why do use a TCP listener? >> tcplis:5060 SIP TCP listener ready for incoming connections at 192.168.9.111:5060 May be you need here an UDP one? regards -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20091021/126fb388/attachment.html>