UMA a possibility in the future?

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Dieter Spaar spaar at mirider.augusta.de
Mon Aug 3 23:46:22 UTC 2009


Hello Johannes,

On Mon, 03 Aug 2009 22:56:08 +0200, "Johannes Schmitz" <jsemail at gmx.de> wrote:
> 
> At this point I have got one general question, maybe also towards
> Dieter:
> How can A3/A8 be proprietary by any operator? How does international
> roaming work then if there is no standardized algorithm?

As far as I know for roaming the foreign network receives a RAND-Kc-SRES
Triple from the home network so there is no need to know A3/A8 used by
the other operator.

Best regards,
  Dieter
-- 
Dieter Spaar, Germany                           spaar at mirider.augusta.de




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