Re: gsm system information parsing

[Pascal Quantin <pascal.quantin () gmail com>]

2012/3/14 Tom Mayer <ran-kun () gmx de>

> Hi everyone,
>
> I have been working on a mobile project for university and have used
> wireshark together with the osmocombb framework analyze gsm traffic.
>
> In my project I get the raw System Information 2/2ter/2bis messages and I
> need to extract the neighbouring cell information from it. The format is
> supposed to be specified in GSM 04.08 but it is only a partly description
> and it seems I cannot find a full desscription.
>
> I have seen wireshark has a parser for this, at least it dispolays the
> neighbouring cells extracted from a System Information message. Can anybody
> give me a hint to where to find the respective parsing code in the
> wireshark code (pretty unfamiliar with the wireshark codebase) or where to
> find the full specifications.
>
> Thanks in advance
> Cheers
> Tom

Hi Tom,

The code in Wireshark can be found in epan/dissectors/packet-gsm_a_rr.c
The corresponding 3GPP specification is 44.018:
http://www.3gpp.org/ftp/Specs/html-info/44018.htm

Regards,
Pascal.

___________________________________________________________________________
Sent via:    Wireshark-dev mailing list <wireshark-dev () wireshark org>
Archives:    http://www.wireshark.org/lists/wireshark-dev
Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev
             mailto:wireshark-dev-request () wireshark org?subject=unsubscribe