Wireshark-bugs: [Wireshark-bugs] [Bug 2994] New: incorrect decoding of RTP (G.729 packets)

Date: Thu, 23 Oct 2008 08:21:51 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2994

           Summary: incorrect decoding of RTP (G.729 packets)
           Product: Wireshark
           Version: 1.0.4
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: joris.hontele@xxxxxxxxxxx
                CC: joris.hontele@xxxxxxxxxxx


Build Information:
Version 1.0.4 (SVN Rev 26501)

Copyright 1998-2008 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
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 with GTK+ 2.12.8, with GLib 2.14.6, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with ADNS, with Lua 5.1, with GnuTLS 2.3.8, with Gcrypt 1.4.1, with MIT
Kerberos, with PortAudio V19-devel, with AirPcap.

Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0.2
(packet.dll version 4.0.0.1040), based on libpcap version 0.9.5, without
AirPcap.

Built using Microsoft Visual C++ 6.0 build 8804

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

Check the man page and http://www.wireshark.org for more information.
--
I upgraded Wireshark from 0.99 --> 1.04 today and also winpcap from 4.0.0 -->
4.0.2.

You will see if you open attached pcap trace in both versions, that packets
1676, 1677, 1682 and 1683 are decoded differently.  I'm pretty sure that the
older versions decode it correctly (I used online linkbit decoder to verify one
of the packets and it confirmed the decoding from the older versions).  I also
attached a screenshot of this linkbit decoder.


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