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.<br><br><div><span class="gmail_quote">On 7/8/07, <b class="gmail_sendername">Tim Newsom</b> <
<a href="mailto:cephdon@gmail.com">cephdon@gmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">You misunderstand... What I meant was " Is 3G backward compatible for
<br>data with previous formats." Plus, i thought that only the US had any<br>kind of cell company which uses cdma. I am quite surprised by that as I<br>thought most if not all other countries used GSM. /shrug.<br><br>
<br>On Sun, 8 Jul 2007 12:55, Mikko Rauhala wrote:<br>> su, 2007-07-08 kello 12:00 -0700, Tim Newsom kirjoitti:<br>>> Um... Japan does have GSM service... I am positive as I recently had<br>>> guests in my house from japan. They brought their cell phones and I
<br>>> showed them how to make them work in the US.<br>><br>> Means nothing. Their phones may be GSM-capable spesifically to work<br>> overseas. All of my info says that there's no GSM in Japan, but I<br>
> haven't rechecked recently<br>><br>>> Does EDGE fall back to gprs? Does 3G fall back to EDGE or GPRS if the<br>>> phone doesn't support it?<br>><br>> Given a phone that supports all of the following, HSDPA will fall back
<br>> to plain old UMTS will fall back to EDGE will fall back to GPRS,<br>> according to network availability. Japan, on the other hand, uses their<br>> own types of (W)CDMA networks.<br>><br>> "3G" falling back to EDGE or GPRS if the _phone_ doesn't support it is
<br>> rather nonsensical notion. If a phone is a GSM phone, it will work in a<br>> GSM network. It will not work in a 3G network, so there's nothing to<br>> fall back _from_.<br>><br>> --<br>> Mikko Rauhala -
<a href="mailto:mjr@iki.fi">mjr@iki.fi</a> - <URL:<a href="http://www.iki.fi/mjr/">http://www.iki.fi/mjr/</a>><br>> Transhumanist - WTA member - <URL:<a href="http://www.transhumanism.org/">http://www.transhumanism.org/
</a>><br>> Singularitarian - SIAI supporter - <URL:<a href="http://www.singinst.org/">http://www.singinst.org/</a>><br>><br>><br>> _______________________________________________<br>> OpenMoko community mailing list
<br>> <a href="mailto:community@lists.openmoko.org">community@lists.openmoko.org</a><br>> <a href="http://lists.openmoko.org/mailman/listinfo/community">http://lists.openmoko.org/mailman/listinfo/community</a><br>--Tim
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