NTT-NoGoMoKo in Japan, plus falling back

[Flemming Richter Mikkelsen]

Many countries uses 3G. In Norway we use UMTS (and I think they use UMTS in
the rest of Europe), while in the US you use CDMA.

On 7/8/07, Tim Newsom <cephdon at gmail.com> wrote:
>
> You misunderstand... What I meant was " Is 3G backward compatible for
> data with previous formats." Plus, i thought that only the US had any
> kind of cell company which uses cdma. I am quite surprised by that as I
> thought most if not all other countries used GSM. /shrug.
>
>
> On Sun, 8 Jul 2007 12:55, Mikko Rauhala wrote:
> > su, 2007-07-08 kello 12:00 -0700, Tim Newsom kirjoitti:
> >>  Um... Japan does have GSM service...  I am positive as I recently had
> >>  guests in my house from japan. They brought their cell phones and I
> >>  showed them how to make them work in the US.
> >
> > Means nothing. Their phones may be GSM-capable spesifically to work
> > overseas. All of my info says that there's no GSM in Japan, but I
> > haven't rechecked recently
> >
> >>  Does EDGE fall back to gprs?  Does 3G fall back to EDGE or GPRS if the
> >>  phone doesn't support it?
> >
> > Given a phone that supports all of the following, HSDPA will fall back
> > to plain old UMTS will fall back to EDGE will fall back to GPRS,
> > according to network availability. Japan, on the other hand, uses their
> > own types of (W)CDMA networks.
> >
> > "3G" falling back to EDGE or GPRS if the _phone_ doesn't support it is
> > rather nonsensical notion. If a phone is a GSM phone, it will work in a
> > GSM network. It will not work in a 3G network, so there's nothing to
> > fall back _from_.
> >
> > --
> > Mikko Rauhala   - mjr at iki.fi     - <URL:http://www.iki.fi/mjr/>
> > Transhumanist   - WTA member     - <URL:http://www.transhumanism.org/>
> > Singularitarian - SIAI supporter - <URL:http://www.singinst.org/>
> >
> >
> > _______________________________________________
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> > community at lists.openmoko.org
> > http://lists.openmoko.org/mailman/listinfo/community
> --Tim
>
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