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Harald Welte laforge at
Wed Nov 10 18:14:17 UTC 2010

On Wed, Nov 10, 2010 at 09:18:16PM +0530, Marten Christophe wrote:
> Hello All,
> I have a question regarding GSMTAP , If it is used for sending messages to
> wireshark only or it has some other significant, like communication between
> L2 and L3 or communication with layer1, as the
> uint8_t and uint16_t were widely used in source code

GSMTAP is a purely 'artificial' data format that is used by OpenBTS, airprobe
and OsmocomBB to forward GSM MAC blocks (layer 2 frames with 23 bytes length)
of the Um interface into wireshark.

There's no other purpuse to it.

- Harald Welte <laforge at> 
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)

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