Hi, I created a wrapper for stream.c and I p/invoked it from .NET it was working but with NAT it is not working even after using STUN client with a mapped ip and port, any additional parameters to configure in PJMedia? Thanks and Regards, Anass Kartit -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20081218/56f8e72f/attachment.html>