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: > Send A51 mailing list submissions to > [email protected] > > 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 > [email protected] > > You can reach the person managing the list at > [email protected] > > 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 <[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 > > > ------------------------------ > > _______________________________________________ > A51 mailing list > [email protected] > https://lists.srlabs.de/cgi-bin/mailman/listinfo/a51 > > > End of A51 Digest, Vol 56, Issue 1 > ********************************** >
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