Ethereal-users: Re: [Ethereal-users] ITU TCAP over SCCP/M3UA/SCTP: Problem in 0.10.12
Hi Joe,
I'm not able to read the capture file ...
Could you open a bug report and upload the file in a readable format?
Best regards
Michael
On Oct 20, 2005, at 10:53 Uhr, Joe Samaha wrote:
Hi,
Following the latest change of release from 10.11 to 10.12, I have
noticed a malfunction in the TCAP dissector when running over
SCCP/M3UA/SCTP (Sigtran) using ITU standards.
The TCAP dissector is not decoding the fields correctly in that case.
One possibility may be that it is attempting to decode it in ANSI
mode; the clue being the names of the fields it displays (e.g. OTID,
which is an ANSI field and not an ITU field). In the preferences
setting, there used to be an ITU/ANSI choice in the TCAP protocol tab
in 10.11. In the current rel 10.12, such a choice disappeared. The
only choice of ITU/ANSI is made in the MTP3 tab – which I have set to
ITU. I also made sure that SSN numbers entered in the TCAP and MAP
tabs match the ones in the packets.
Of course, this is just a possibility and other reasons may be causing
the problem.
Please find attached a sample capture. Opening it in ethereal 0.10.11
shows correct TCAP decoding (Do not bother about malformed packets on
the GSM SMS layer, they are due to originally coding the packets
incorrectly.) However, in ethereal 10.12, the decoding in TCAP is not
successful.
Thank you for taking note of this problem.
Regards,
Joe
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