On 6 Jun 2001, at 7:03, Paul E. Robichaux wrote:

> In the US we use GSM1900. Note that VoiceStream says they have a
> roaming *plan*; I bet they don't say that your *phone* will work
> overseas-- it won't unless it's capable of using the GSM system on the
> frequencies used in other countries. You can remove the SIM from your
> US GSM phone and use it, say, in Australia by sticking it in an
> appropriately frequencied phone.

Good point, thanks.  A little more spelunking of the VoiceStream 
site yields this:

> Our association with Global Systems for Mobile Communications (GSM)
> enables you to use your Smart Card in
> phones from other countries, or to
> purchase a dual-band or tri-band
> worldphone so you can enjoy the
> convenience and security of VoiceStream
> while traveling throughout much of the
> world. 

So no TopSec for us now.  (leave it to the U.S. to use an almost-
standard)

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