Panasonic EB-G520 EN - Manual (Page 32)

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
telephone.
Roaming The ability to use your telephone on networks other than your Home network.
Service
Provider
The organisation 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.
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