Wireshark-bugs: [Wireshark-bugs] [Bug 2197] New: VoIP calls statistics sometimes misses H.425/RT
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 15 Jan 2008 08:44:41 +0000 (GMT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2197

           Summary: VoIP calls statistics sometimes misses H.425/RTP parts
                    of calls
           Product: Wireshark
           Version: 0.99.7
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: elmer.elmer@xxxxxxx


Build Information:
Version 0.99.7 (SVN Rev 23910)

Copyright 1998-2007 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+ 2.12.1, with GLib 2.14.3, with WinPcap (version unknown),
with libz 1.2.3, with libpcre 6.4, with SMI 0.4.5, with ADNS, with Lua 5.1,
with
GnuTLS 1.6.1, with Gcrypt 1.2.3, with MIT Kerberos, with PortAudio 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 heavily uses Wireshark in helping debug VoIP application.
When a large capture file is analyzed with "Statistics/VoIP calls", Wireshark
does not always display all parts of calls (especially H.425 part of H.323 call
is not seen by Wireshark).

If I reduced the capture file, isolating the call mis displayed, and reload
this smaller capture file into wireshark, the call is correctly displayed.

Only H.245 (and RTP) part of call is sometimes not displayed.
If have a sample capture file showing this problem, but it is quite large (24
Mb).
I can attach this capture file to this bug upon request.

I think this bug exists for a long time.


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