[rescue] VOIP

[Geoffrey S. Mendelson]

sammy ominsky wrote:

> The 911 thing makes sense. 911 calls are automatically routed to the 
> nearest emergency call center, and if your phone is routed through a 
> server in California or New Jersey, how can you reach the right center?

How about a cell phone? For example, GSM cell phones will make emergency
calls without a SIM (subscriber ID module), so you don't need an account
or service, just a signal. In the U.S. and Canada, the phones are programed
for 911, phones for the rest of the world use 112,

With GSM, it's part of the Service Providers contract with the GSM 
associtation. I think there is a law in the U.S. that requires 911
service from all SP's.

If I remember correctly, an AMPS (old style analog cell phone) has to be
able to make 911 calls until sometime in 2005 in the U.S. without needing
a service contract.

Geoff.

-- 
Geoffrey S. Mendelson gsm at mendelson.com 972-54-608-069
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Carp are bottom feeders, koi are too, and not surprisingly are ferrets.