A NOTE has been added to this issue. ====================================================================== https://bugtracker.iptel.org/view.php?id=73 ====================================================================== Reported By: jh Assigned To: ====================================================================== Project: SEMS Issue ID: 73 Category: SBC Reproducibility: always Severity: major Priority: normal Status: new ====================================================================== Date Submitted: 2012-03-02 04:13 CET Last Modified: 2012-03-03 21:03 CET ====================================================================== Summary: duplicate audio section in sbc session timer re-invites Description: when sbc is using session timer, re-invites after the first one (packet 8) contain duplicate sdp audio section (packets 11 and 12).
also, re-invite in packet 12 to a leg uac should not have been sent so soon as the previous one to the same uac (packet 8) was sent within the same second. ====================================================================== ---------------------------------------------------------------------- (0000113) jh (reporter) - 2012-03-03 03:38 https://bugtracker.iptel.org/view.php?id=73#c113 ---------------------------------------------------------------------- Correction: the first re-invite that includes duplicate audio section (packet 11) is sent by sems echo server at b leg. i guess that explains why following re-invites from sems sbc contain the same sdp. so looks like the bug is in echo server session timer. rtp relaying is not enabled. ---------------------------------------------------------------------- (0000115) jh (reporter) - 2012-03-03 21:03 https://bugtracker.iptel.org/view.php?id=73#c115 ---------------------------------------------------------------------- i uploaded debug output from sems echo server that shows the original invite it received as well as the re-invite it sent. original invite has two sdp media parts: audio and video. since sems echo plugin does not support video, it included in 200 ok an inactive video part. but when it sent the session timer re-invite, this inactive video media part got replaced by another audio media part, which causes the problem. it should just use the saved copy of sdp body from its 200 ok to the initial invite if there is one somewhere. Issue History Date Modified Username Field Change ====================================================================== 2012-03-02 04:13 jh New Issue 2012-03-02 04:13 jh File Added: timer.pcap 2012-03-03 03:38 jh Note Added: 0000113 2012-03-03 03:39 jh Note Added: 0000114 2012-03-03 03:43 jh Note Deleted: 0000114 2012-03-03 20:55 jh File Added: echo.debug 2012-03-03 21:03 jh Note Added: 0000115 ====================================================================== _______________________________________________ Semsdev mailing list [email protected] http://lists.iptel.org/mailman/listinfo/semsdev
