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78 Glossary
Glossary
Advice of Charge
(or 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 dis-
play.
Alternate Line Service
(or ALS) enables you to have two lines and two different phone numbers on
one subscription for your mobile phone. This makes it possible to have sepa-
rate numbers for business and personal calls. To use this service, it must be
supported by your network.
Area Information
(or 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 sup-
ported by your network.
Call Barring
enables you to restrict or bar certain or all types of calls to and from your
mobile phone, i.e. outgoing calls, outgoing international calls, incoming calls.
Barring is activated with a personal code. To use this service, it must be sup-
ported by your network.
Calling Line Identification
(or 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.
Divert
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 tele-
phone banking, for accessing an answering machine, etc.