1.2 Making Calls
42
User Manual
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WARNING
There is a risk that fraudulent telephone calls will be made using the Outside-to-
Outside (CO-to-CO) Line Call feature of DISA.
The cost of such calls will be billed to the owner/renter of the PBX.
To protect the PBX from this kind of fraudulent use, we strongly recommend:
a)
Enabling DISA security (Trunk Security or All Security).
b)
Keeping DISA security codes secret.
c)
Selecting complex, random codes that cannot be easily guessed.
d)
Changing codes regularly.
•
CO-to-CO Line Call Duration
The length of outside-to-outside (CO-to-CO) line calls may be limited through system
programming.
Both the outside caller and the outside destination will hear a warning tone 15 seconds
before a specified time limit. When the timer expires, the call is disconnected.
•
If the DISA Automated Attendant (AA) service is used, you can access the desired party
simply by pressing a preprogrammed single-digit number (DISA AA number) after or while
hearing an OGM or a short beep. AA menus can be up to 3 levels deep.
•
If you enter an invalid security code 3 times consecutively, the call will be disconnected
automatically. If you enter a DISA security code a second and third time, dialing is not
necessary.
Customizing Your System
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Содержание TA824
Страница 10: ...10 User Manual ...
Страница 108: ...1 9 Using a Display Proprietary Telephone 108 User Manual ...
Страница 136: ...3 2 Customizing Your PBX System Programming 136 User Manual ...
Страница 154: ...4 3 Identifying Tones 154 User Manual ...
Страница 155: ...User Manual 155 Index ...