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PIN
Personal Identification Number used for SIM security. Supplied by your service provider. If the PIN is entered
incorrectly 3 times, the PIN will be blocked.
PIN2
Personal Identification Number used for the control of Fixed Dial Store and Call Charge metering. Supplied by
your service provider. If the PIN2 is entered incorrectly 3 times, the PIN2 will be 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 will be 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.
SIM
Subscriber Identity Module. A small smart-card which stores unique subscriber and user-entered information
such as Phonebook and Short Messages. Supplied by your service provider.
WAP
Wireless Application Protocol. The communication standard which enables you to download resources from
the Internet to your phone
Glossary of Terms
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Glossary of Terms