what might help your debugging (even if it’s not exactly what you asked for) is SnoopSnitch application - get a supported android phone and it will show you both IMSI and TMSI in the app - once you know at least one pair imsi+tmsi you can try to find some correlation on the radio side.

On 09 Jul 2015, at 11:41, Radiarisainana Sitraka <radiarisainanasitraka@yahoo.fr> wrote:

I'm a student of telecommunication at Madagascar, and i make search of gsm.
My problem is i want to get tmsi of some-one if i know his imsi by osmocom and motorola .
Do you have any indication for that ?
thank's for helping

chear sitraka,
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