Wireshark-bugs: [Wireshark-bugs] [Bug 7648] enhanced GSM MAP checkIMEI new tags
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 21 Aug 2012 00:32:57 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7648

--- Comment #15 from Fabio Bettoni <fabio.bettoni@xxxxxxxxxxxxxxxx> 2012-08-21 00:32:55 PDT ---
Pascal,

as I told you, the ASN.1 definition has been patched after looking at traces.
So I can't declare it's from an Ericsson spec.

Also,
the 5 octets from locationInformat could be further decoded as

1 octet is rat (radio access type: 0 should be GSM, 1 should be UMTS)
2 octets integer is lac
2 octets integer is cellid

I don't know how to extend wireshark decoding deeper than ASN.1,
but could be nice to see those decoded fields.


PS: I named locationInformat tag, and it must not be confused with
locationInformation that has a different structure. You could change
locationInformat to a less confusing name.

Fabio

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