Re: [PATCH] ModemManager: Add GetMsIsdn method to return the phone number

Hi Marcel,

On Wednesday 29 June 2011, Marcel Holtmann wrote:
> Hi Andrew,
> > > Adds a GetMsIsdn method on the
> > > org.freedesktop.ModemManager.Modem.Gsm.Card interface.
> > > 
> > > Eric
> > 
> > I like the look of this, but what methods will you use to derive the
> > value? As far as I know the SIM might have the value stored (retrieved
> > via +CNUM or +CRSM?) but otherwise isn't getting the value only possible
> > via operator specific USSD or SMS methods?
> the number of operators that provision this properly on the SIM card
> they hand out is really limited. I only know of a view and they only do
> that for the voice customers. For the data sticks, they do not care.
> In most cases this is not provisioned properly. The best you can hope
> for is that the an operator updates these values via SIM Toolkit or some
> sort of network initiated USSD. Otherwise you are really out of luck
> here until you manually modify the SIM card.
> Regards
> Marcel

That aligns with my experience also, I'd wondered if I'd been missing a trick 
to get it from the network in an operator agnostic way.



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