[A51] Frame number (tom)

Andy Fuji andyfuji88 at gmail.com
Thu Jun 5 03:45:01 CEST 2014


Hi,

In WireShark, looking at GSM TAP Header, you can get Frame Number of a
package.
This number must be matched with one of frames in your decoded file.

Andy

On Wed, Jun 4, 2014 at 5:00 PM, <a51-request at lists.srlabs.de> wrote:

> Send A51 mailing list submissions to
>         a51 at lists.srlabs.de
>
> To subscribe or unsubscribe via the World Wide Web, visit
>         https://lists.srlabs.de/cgi-bin/mailman/listinfo/a51
> or, via email, send a message with subject or body 'help' to
>         a51-request at lists.srlabs.de
>
> You can reach the person managing the list at
>         a51-owner at lists.srlabs.de
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of A51 digest..."
>
>
> Today's Topics:
>
>    1. Frame number (tom)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 03 Jun 2014 21:21:52 +0100
> From: tom <tomei9dl at gmail.com>
> To: a51 at lists.srlabs.de
> Subject: [A51] Frame number
> Message-ID: <538E2E60.6060700 at gmail.com>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> Hi all
> I am trying to guess the frame numbers where message supposed to be in
> the decrypted stream.
> I can see "SYSTEM
> INFORMATION 5/6/5ter" in the SACCH or "LAPDM U, func=UI" frames in wire
> shark but I don?t understand how to find this frame in the decoded file.
> C1 177169 273861 1010000001011111010
> P1 177169 273861 1010000001011111010
> S1 177169 273861 0000000000000000000
> C0 177170 273894 00101110101111110
> P0 177170 273894 00101110101111110
> S0 177170 273894 0000000000000000000
> Can someone please explain how to identify the frames.
> Tom
>
>
> ------------------------------
>
> _______________________________________________
> A51 mailing list
> A51 at lists.srlabs.de
> https://lists.srlabs.de/cgi-bin/mailman/listinfo/a51
>
>
> End of A51 Digest, Vol 56, Issue 1
> **********************************
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.srlabs.de/pipermail/a51/attachments/20140605/ee4844f8/attachment.html>


More information about the A51 mailing list