own sim? - was: Re: Possible to control the radio strength of a nanoBTS?

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Benjamin Hagemann benny at benny.de
Thu Jun 4 17:01:17 UTC 2009


hello,

* Juha Tuomala <Juha.Tuomala at iki.fi> [2009-06-04 15:34]:
> On Thursday 04 June 2009 13:45:36 Nordin wrote:
> > Can you specify home network?
> > Cause according to Harald and Dieter, a MS saves the latest ARFCN, LAC, 
> > TMSI and some other parameters in the SIM in a so called Elementary 
> > Files (yes, time to time I do my homework :p ). And since a mobilephone 
> > is suppose to be mobile, than "home network" makes no sense to me. But 
> > maybe I missed a chapter about how GSM works.
> 
> Yes, this would be intresting. If you could hack your sim 
> preferred ROAMing list and the home network, then it would
> always pick your own BTS when you're close it?
> 
> I'm afraid that sounds bit too good to be possible.

would it make sense to programm own SIM cards?
I found eq this shop: http://www.sim-max.biz/store/catalog.php
and I'm sure, there are more shops with blanko SIMs and programmer hw.

Sure it is more easy when a T-D1, Vodafone or other official SIM could
join a openbsc cell, but so we could make an other part of GSM for
ourselves - the SIM.

-- 
Mit freundlichen Grüßen,

	Benjamin Hagemann

instant messaging : jabber  benny at benny.de
crypto-public-key : gpg     0xFC505AB0
internettelephonie: sip     benny at benny.de
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