Wireshark-bugs: [Wireshark-bugs] [Bug 12603] New: VoIP call player show wrong RTP stream length
Date: Sun, 10 Jul 2016 06:48:40 +0000
Bug ID 12603
Summary VoIP call player show wrong RTP stream length when SSRC is changed
Product Wireshark
Version 2.0.1
Hardware x86
OS Fedora
Status UNCONFIRMED
Severity Normal
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter s.safarov@gmail.com

Created attachment 14710 [details]
record of call

Build Information:
Version 2.0.1 (SVN Rev Unknown from unknown)

Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GTK+ 3.19.9, with Cairo 1.14.4, with Pango 1.39.0, with
libpcap, with POSIX capabilities (Linux), with libnl 3, with libz 1.2.8, with
GLib 2.47.5, with SMI 0.4.8, with c-ares 1.11.0, without Lua, with GnuTLS
3.4.9,
with Gcrypt 1.6.4, with MIT Kerberos, with GeoIP, with PortAudio V19-devel
(built Feb  5 2016 01:14:30), without AirPcap.

Running on Linux 4.5.7-300.fc24.x86_64, with locale en_US.UTF-8, with libpcap
version 1.7.4, with libz 1.2.8, with GnuTLS 3.4.13, with Gcrypt 1.6.4.
Intel(R) Core(TM) m3-6Y30 CPU @ 0.90GHz (with SSE4.2)

Built using gcc 6.0.0 20160219 (Red Hat 6.0.0-0.12).

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
In attached pcap file record of one call.
This call has 3 RTP stream (Telephone -> RTP -> Show All Streams)
1) from a-leg (200.46.241.89) to b-leg (72.251.228.14c7) and SSRC 0x877D7AB2
2) from b-leg to a-leg and SSRC 0x6EF1CA50 - RTP source ring generator;
3) from b-leg to a-leg and SSRC 0x1070002 - RTP source endpoint user device.

Total capture length about 87 seconds.
When you open "VoIP Calls -> Player -> View as time of day" then for RTP stream
b-leg to a-leg duration is about 189 sec.


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