Panasonic EB-X500 - Manual (Page 103)

100 Glossary of Terms
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 to control the 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/GPRS 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 organisation responsible for providing access to the
GSM/GPRS network.
SIM
Subscriber Identity Module. A small smart-card which
stores unique subscriber and user-entered information
such as Contacts and Short Messages. Supplied by your
Service Provider.
SMS
Short Message Service. A basic mail system used for
cellular phones. This service allows sending/receiving
of short text messages.
WAP
Wireless Application Protocol. The communication
standard which enables you to download resources from
the Internet to your phone.