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Glossary of Terms
DTMF Tones Dual Tone Multi-Frequency tones allow you to
communicate with computerized phone systems,
voice mailboxes etc.
GSM Global System for Mobile communications. The
name given to the advanced digital technology
that your phone uses.
Home Country The country where your home network operates.
Home Network The GSM network on which your subscription
details are held.
Network Operator The organization responsible for operating a
GSM network
Password Used for the control of the Call Bar. Supplied by
your Service Provider.
PIN Personal Identification Number used for SIM
security. Supplied by your Service Provider. If
the PIN is entered incorrectly 3 times, the PIN is
blocked.
PIN2 Personal Identification Number used for the
control of Fixed Dial Store, Call Charge metering
and Barred Dialing . Supplied by your Service
Provider. If the PIN2 is entered incorrectly 3
times, the PIN2 is blocked.
PUK/PUK2 PIN/PIN2 Unblocking Key. Used to unblock the
PIN/PIN2. Supplied by your Service Provider. If
the PUK/PUK2 is entered incorrectly 10 times,
the PUK/PUK2 is blocked.
Registration The act of locking on to a GSM network. This is
usually performed automatically by your phone.
Roaming The ability to use your phone on networks other
than your Home Network.
Service Provider The organization responsible for providing
access to the GSM Network.
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Glossary of Terms