i tried to use on 5th edition phones (5800 and N97) and once the call begins the phone almost phreses. i notice the the FillBuffer callbacks is called repeatedly much more the EmptyBuffer (they should be called about the same) nir -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100818/f200172a/attachment.html>