Archived from groups: alt.cellular.gsm (More info?
On Fri, 15 Jul 2005 09:32:31 -0500, firstname.lastname@example.org (Miguel Cruz)
>I've used my phone in several countries, but not until I landed in the USA
>did it offer to update the time to the local time zone. While in the USA,
>each time I moved to a new time zone, the phone let me know and offered to
>update the time again.
>Why doesn't this happen in other places? It seems like a very helpful
That feature is called NITZ (network initiated time zone.) It is not
in the original GSM spec and can be optionally used. In the US
cingular/AT&T Wireless and T-Mobile use it. T-Mobile was introducing
NITZ gradually throughout their system. I've not found NITZ in use in
Europe or in Israel.