Panasonic EB-X500 operating instructions Registration, Roaming, Service, Provider

	Personal Identification Number used for SIM security.
PIN	Supplied by your Service Provider. If the PIN is entered
	incorrectly 3 times, the PIN will be blocked.
	Personal Identification Number used to control the Fixed
PIN2	Dial Store and Call Charge metering. Supplied by your
	Service Provider. If the PIN2 is entered incorrectly
	3 times, the PIN2 will be blocked.
	PIN/PIN2 Unblocking Key. Used to unblock the PIN/
PUK/PUK2	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	The organisation responsible for providing access to the
Provider	GSM/GPRS network.
	Subscriber Identity Module. A small smart-card which
SIM	stores unique subscriber and user-entered information
	such as Contacts and Short Messages. Supplied by your
	Service Provider.
	Short Message Service. A basic mail system used for
SMS	cellular phones. This service allows sending/receiving
	of short text messages.
	Wireless Application Protocol. The communication
WAP	standard which enables you to download resources from
	the Internet to your phone.

100Glossary of Terms