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Glossary 107
Glossary
Advice of Charge (AoC)
enables you to monitor the cost of calls made from your mobile phone.
Details of the last call and total calls made are shown in the phone display.
To use this service, it must be supported by your network.
Area Information (AI)
is a service that allows you to receive messages about pre-set topics i.e.
weather forecasts, road reports, etc. To use this service, it must be supported
by your network.
Calling Line Identification (CLI)
shows the number of the person calling you in your mobile phone display.
You can then make an informed choice as to whether or not to take the call.
Bear in mind that not all numbers can be displayed. To use this service, it must
be supported by your network.
Forward
enables you to forward calls to another number, for example your voice mail
or home phone.
DTMF or Touch Tone
Dual Tone Multi Frequency signal – codes sent as tone signals.
Used for telephone banking, for accessing an answering machine, etc.
Enter
is used for keying in letters or numbers from the keypad.
Fax Class
Standards for fax transmission are set as classes. Class I and II allow data
transfer speeds of between 2400 up to 9600 bps.
Fixed Numbers
enables you to allow only numbers beginning with certain pre-defined figures
to be dialed from your mobile phone. The service is protected by your PIN2.
To use this service, it must be supported by your network.