Ok, I think I know why the last frames are replayed: I have a custom port, that get its data by another thread (e.g. a call to an ISDN phone, libcapi20). The port buffer is filled by putframe/getframe (reverse phase). With a splitcomb port, I connect it with other ports (over conference bridge). When I disconnect the splitcomb, the last frames in the buffer are replayed. greetings Marco -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20071224/5170c8a4/attachment.html