Roaming

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Seungju Kim admin at manateeshome.com
Fri May 27 19:51:08 UTC 2011


One of my feature phone does not open Roaming Manager. It says it can only be opened while roaming although I used MCC/MNC that the phone does not recognize

Sent from my iPhone

On May 27, 2011, at 4:05 AM, Harald Welte <laforge at gnumonks.org> wrote:

> On Fri, May 27, 2011 at 12:02:31AM -0400, Seungju Kim wrote:
>> How does the phone know if it is roaming or not? When my phone camps
>> to OpenBTS network it says it is roaming but in OpenBSC it doesn't.
> 
> Are you running OpenBSC and OpenBTS with the same phone, same simcard
> oon the same MCC/MNC? Then you should not see any difference.
> 
> They only way a phone knows is if the MCC/MNC of the IMSI in the SIM is
> identical with the MCC/MNC of the serving cell.
> 
> -- 
> - Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
> ============================================================================
> "Privacy in residential applications is a desirable marketing option."
>                                                  (ETSI EN 300 175-7 Ch. A6)
> 





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