Before first use
7
Glossary
DTMF Dual Tone Multi Frequency.
The tones are transmitted by the phone to the network. They are used to
interrogate answering machines, transmit codes, ...
EFR Enhanced Full Rate. Standard for high quality sound. Your phone will switch on
EFR if the GSM network supports this function and asks for it.
FDN Fixed Dialling Numbers. See also Public Names.
GSM Global System for Mobile communications. The type of phone network used
by your phone.
GSM 900 GSM standard using 900 MHz frequency band (see page 54).
GSM 1800 GSM standard using 1800 MHz frequency band (see page 54). Also called DCS
1800 (Digital Cellular System) or PCN 1800 (Personal Communication
Network).
Home network The network on which your SIM card is registered.
Home Zone A particular area within your home network. If this feature is provided by your
home network, the home zone symbol is displayed indicated that you are
currently within the home zone.
Idle screen This is the screen which is displayed when your phone is on and ready to be
used.
Local network The network where you are making a call. This may be your home network or
another GSM network.
Multi-call Two calls are in progress, one active and one on hold.
PIN code Personal Identification Number. The secret code of the SIM card.
PIN2 code Secret code that allows you to access certain SIM card dependent features.
Public Names Function that allows you to restrict dialling to selected numbers
PUK code Secret code used to unblock your SIM card if you, or someone else, enters the
wrong PIN code three times.
PUK2 code Secret code used to unblock your SIM card if you, or someone else, enters the
wrong PIN2 code three times.
Roaming Using your phone in a network other than your home network.
SIM card Subscriber Identification Module. The card which allows you to make phone
calls with your GSM phone.
SMS Short Message Service. This service provided by the operator allows you to
send and receive short written messages.
T9TM Text Input Very efficient method of text input that requires just one key press per letter.