Sagem OT-290 trace phone / GSMTAP integration

[Denis 'GNUtoo' Carikli]

On Monday, April 09, 2012 03:16:37 PM Harald Welte wrote:
> Hi all!
Hi,
> I would be willing to give away one of the two remaining OT-290 (for
> free) to anyone who would in return commit to developing a GSMTAP
> interface for it.
Since no one responded to that message, I guess no one is interested.
How important is that work?

> The message format on the serial UART between phone and PC is documented
> (PDF documentation by Sagem included with the phones).  So based on this
> documentation and an OT-290 phone, it should be possible to write a
> small command-line program that receives the GSM/GPRS messages from the
> OT-290 and sends them via GSMTAP into wireshark.
> 
> The result would then be similar to what
> http://cgit.osmocom.org/cgit/dct3-gsmtap/ is for DCT-3 phones.
How hard is it and how much time is needed is to implement that? is it 
possible to have a look to the specifications before deciding?

Denis.