Originally Posted by
polonius
GSM (which stands for GLOBAL Spec for Mobile or something like that)
is global, including the USA, as you note. I'm not sure how you can say it's "certainly not global," -- when was the last time you went somewhere where there was no GSM coverage? Given that you can find GSM coverage
here,
here, and
here, amongst many other places, I think its fairly accurate to refer to GSM as "global".
There can be GSM service, but it's useless if you don't have a GSM phone. To of the major US phone networks (Sprint and Verizon) are CDMA based and therefore 112 does not work on these (millions of) phones.
And to answer your question

Japan?