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147
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
mobile phone connections and the Short Message Service
(SMS).
GSM (Global System for Mobile
Communication)
International standard for mobile phone 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
unauthorized 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.
146
Glossary
To help you understand the main technical terms and
abbreviations used in this booklet and take full advantage of
the features of your mobile phone, here are a few definitions.
Call Barring
Ability to restrict outgoing and incoming calls.
Call Diverting
Ability to re-route calls to another number.
Call Holding
Ability to put one call on standby while answering or making
another call; you can then switch between the two calls, as
required.
Call Waiting
Ability to inform users that they have an incoming call while
engaged on another call.
CLI (Caller Line Identification) Services
Services allowing subscribers to view or block the telephone
numbers of callers.
EMS (Enhanced Message Service)
Network service sending and receiving messages that
include images, sounds and animations to and from another
user without having to speak to the correspondent.