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Glossary
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Call Barring
Ability to restrict outgoing and
incoming calls.
Call Divert
Ability to reroute calls to another
number.
Call Waiting
Ability to inform users that they have
an incoming call when engaged on
another call.
GSM (Global System for Mobile
Communication)
International standard for cellular
communication, guaranteeing
compatibility between the various
network operators. GSM covers most
European countries and many other
parts of the world.
Line Identification Services
(Caller ID)
Service allowing subscribers to view
or block the telephone numbers of
callers.
Multiparty Calls
Ability to establish a conference call
involving up to five additional parties.
Phone Password
Security code used to unlock the
phone when you have selected the
option to lock it automatically each
time it switches on.
Roaming
Use of your phone when you are
outside your home area (when
traveling for example).
To help you understand the main technical terms and abbreviations used in this
booklet and take full advantage of the feature on your mobile phone, here are a
few definitions.
CP150 AT&T_ENG_080909 1904.3.30 2:49 AM ˘ ` 99