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Glossary of Terms
DTMF Tones
Dual Tone Multi-Frequency tones allow you to communicate with computerised telephone
systems, voice mailboxes etc.
GSM
Global System for Mobile Communications. The name given to the advanced digital
technology that your telephone uses.
Home country The country where your home network operates.
Home network The GSM network on which your subscription details are held.
Network
Operator
The organisation responsible for operating a GSM network. Each country will have a different
network operator.
Password Used for the control of the Call Bar. Supplied by your Service Provider.
PIN
Personal Identification Number used for SIM security. Supplied by your Service Provider. If
the PIN is entered incorrectly 3 times, the PIN will be blocked.
PIN2
Personal Identification Number used for the control of Fixed Dial Store and Call Charge
metering. Supplied by your Service Provider. If the PIN2 is entered incorrectly 3 times, the
PIN2 will be blocked.
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