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 guarantees a 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
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.
MMS(Multimedia Message Service)
Network service sending and receiving messages to
and from another subscriber without having to speak to
the correspondent. The Message supports presentation
of various media types, such as full color images and
polyphonic ringtones.
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.
PUK (PIN Unblocking Key)
Security code used to unlock the phone when an incorrect
PIN has been entered three times in 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
Glossary
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