[maemo-developers] Does the get_service_provider_name method only return a name if the SIM is a USIM?

[From: Hartti Suomela]

I do not know why the resulting string is empty.
BTW. are you trying to find out your home service provider or the current
service provider (different, if you are roaming - but unfortunately I do not
know what the get_service_provider_name is supposed to return...)
If you need to know the home network provider: You could use the MNC (Mobile
network code) & MCC (Mobile country code) combination to identify your home
operator

dbus-send  --system --type=method_call --print-reply
--dest=com.nokia.phone.SIM /com/nokia/phone/SIM Phone.Sim.read_hplmn

The result you get back is somewhat cryptic, but you should be able to get
the numbers out
In short, the digits for both MNC and MCC are stored in 4 bit fields in the
resulting 3 bytes
xxxx xxxx xxxx xxxx xxxx xxxx
mcc2 mcc1 mnc3 mcc3 mnc2 mnc1

Hartti


On Sun, Feb 7, 2010 at 8:20 AM, Aldon Hynes <Aldon.Hynes at orient-lodge.com>wrote:

> It is worth noting that I also get a blank string when I execute this on my
> N900 using an AT&T SIM
>
> Aldon
>
> -----Original Message-----
> From: maemo-developers-bounces at maemo.org
> [mailto:maemo-developers-bounces at maemo.org]On Behalf Of Faheem Pervez
> Sent: Saturday, February 06, 2010 5:11 AM
> To: maemo-developers at maemo.org List
> Subject: Does the get_service_provider_name method only return a name if
> the SIM is a USIM?
>
>
> Hiya,
>
> As said in the title: dbus-send --system --type=method_call
> --print-reply --dest=com.nokia.phone.SIM /com/nokia/phone/SIM
> Phone.Sim.get_service_provider_name returns a blank string. As I only
> have a T-Mobile SIM to be trying this out with, I'd like to know if a
> string is only returned if a USIM is inserted. Or maybe I'm invoking
> it in the wrong manner?
>
> Best Regards,
> Faheem
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