Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 1328] New: H.248: wrong decoding of 3GUP pckg UP mode property

[bugzilla-daemon@xxxxxxxxxxxxx]

http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1328

           Summary: H.248: wrong decoding of 3GUP pckg UP mode property
           Product: Wireshark
           Version: 0.99.4
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Minor
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: agoerb@xxxxxxxxxxx


Build Information:
Version 0.99.4 (SVN Rev 19757)

Copyright 1998-2006 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+ 2.6.9, with GLib 2.6.6, with WinPcap (version unknown), with
libz 1.2.3, with libpcre 6.4, with Net-SNMP 5.3.1, with ADNS, with Lua 5.1,
with
GnuTLS 1.5.1, with Gcrypt 1.2.3, with MIT Kerberos, with PortAudio <= V18, with
AirPcap.

Running on Windows XP Service Pack 2, build 2600, with WinPcap version 3.1
(packet.dll version 3, 1, 0, 27), based on libpcap version 0.9[.x], without
AirPcap.

Built using Microsoft Visual C++ 6.0 build 8804

--
Wireshark is used to trace binary encoded H.248 messages. In the case that
Local Control descriptor contains property "UP mode of operation" from 3GUP
package (defined within 3GPP TS 29.232, chapter 15.1.1) then the property value
H'02 is wrong decoded. Although it stands for "Support mode for predefined SDU
sizes" it is shown within Wireshark window as "Transparent Mode (1)" (which
really has value H'01).


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