I use pjsip usa to test vag729. A is connected with B. When I hold A , B can hear the holding music. But when I unhold A, A can hear B, But B can not hear A. After a long time(about 30 seconds), B finally hear A. What's the problem ? Because of vag729 vad ? I have disabled pjsip usa vad by " --no-vad " -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080403/716f3c45/attachment.html