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 03:21:37 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7648

--- Comment #18 from Fabio Bettoni <fabio.bettoni@xxxxxxxxxxxxxxxx> 2012-08-21 03:21:36 PDT ---
Pascal,

I found some doc and source code, to know how we manage that.


RAT
0 - GSM Access
1 - UMTS Access
2 - LTE Access
0xf - No information

GSM Access 
Location Information = RAT + LAC + CI 
Where:     RAT is the Radio Access Type (value=0 for GSM)
    LAC is the Location Area Code (NOT including MCC and MNC);
    CI = Cell Identity 

UMTS Access
Location Information = RAT + LAC + SAC
Where:    RAT is the Radio Access Type (value=1 for WCDMA)
    LAC is the Location Area Code (NOT including MCC and MNC);
    SAC = Service Area Code

Fabio

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