Hi Alex, And once again, thank you so much for the answer! I will solve the negotiation problem with to G729 annex b, and let you know if that's solved the problem with the incoming call (even though i also tried it with two clients which didn't support G729 and got the same result). Regards, Maya -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100305/289ae251/attachment.html>