Hi, Huawei SSW first send INVITE offer SDP with two media audio and video. Pjsip stack have 2 media count. Huawei send ACK SDP with only one media m=audio. After that is assert. Where is a problem? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120919/36261ac2/attachment-0001.html>