7978

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 (up to 160 characters) can be
displayed, received, edited or sent.
Phone’s Password
Security code used to unlock the phone when you have selected
the option to lock it automatically each time it switches on. This is
1 to 8-digit code that you can change whenever you want. Security
code used to reset the Call timer and Customised setting options
to their factory default settings.
Glossary of Terms

To help you understand the main technical terms and

abbreviations used in this booklet and take full

advantage of the features on your mobile phone, here

are a few definitions.

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.
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 pack.
PIN (Personal Identification Number)
Security code that protects the phone against unauthorised use.
The PIN is supplied by the network operator 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 a succession. The eight-digit number
is supplied by the network operator with the SIM card.
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