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Glossary
160
from another user without having to speak to the
correspondent.
GPRS (General Packet Radio Service)
New non-voice value-added service that allows
information to be sent and received across a mobile
telephone network. GPRS guaranties continuous
connection to the Internet for mobile phone and
computer users. It is based on the Global System
for Mobile Communication (GSM) circuit-switched
cellular phone connections and the Short Message
Service (SMS).
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.
Multiparty Calling
Ability to establish a conference call involving up to
five 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 eight-digit number and can be changed, as
required.
PUK (PIN Unblocking Key)
Security code used to unlock the phone when an
incorrect PIN has been entered three times in
Glossary
161
succession. The eight-digit number is supplied by
the service provider with the SIM card.
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.