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, <[email protected]> wrote:

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>    1. Frame number (tom)
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> Message: 1
> Date: Tue, 03 Jun 2014 21:21:52 +0100
> From: tom <[email protected]>
> To: [email protected]
> Subject: [A51] Frame number
> Message-ID: <[email protected]>
> 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
>
>
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