Glossary
GPRS (General Packet Radio Service)
New
GSM
(Global System for Mobile Communication)
International standard for cellular communication, guaranteeing compatibility between the various network operators. GSM covers most European countries and many other parts of the world.
IrDA
(Infrared Data Association)
A standard defined by the IrDA consortium. It specifies a way to wirelessly transfer data via infrared radiation. The IrDA specifications include standards for both the physical devices and the protocols they use to communicate with each other.
Multiparty Calling
Ability to establish a conference call involving additional parties.
PIN (Personal Identification Number)
Security code that protects the phone/SIM against unauthorised use. The PIN is supplied by the service provider with the SIM card. It may be a four to
144
Glossary
PUK (PIN Unblocking Key)
Security code used to unlock the phone when an incorrect PIN has been entered three times in succession. The
Roaming
Use of your phone when you are outside your home area (when travelling for example).
SIM (Subscriber Identification Module)
Card containing a chip with all the information required to operate the phone (network and memory information, as well as the subscriber’s personal data). The SIM card fits into a small slot on the back of the phone and is protected by the battery.
SMS (Short Message Service)
Network service sending and receiving messages to and from another subscriber without having to speak to the correspondent. The message created or received can be displayed, received, edited or sent.
Soft Keys
Two keys marked 
and 
on the phone, the purpose of which:
•varies according to the function that you are currently using
•is indicated on the bottom line of the display just above the corresponding key
Voice Mail
Computerised answering service that automatically answers your calls when you are not available, plays a greeting (optionally in your own voice) and
records a message. | 145 |