Direct Inward System Access (Disa) - Aastra DT690 User Manual

DT690
• With the Verified Account Number you can restrict the making of external
calls (not a specific number or area), so everyone who is allowed to make
external calls will receive an account number which has to be used each
time he/she wants to make an external call.
• Verified account numbers contain up to 10 digits.
• Own account numbers contain up to 15 digits.
The account numbers can also be used through the DISA function, see Section
15.4 on page 72.
Verified or own account number
Before an outgoing call:
1. Press* 9 *
2. Enter account number and press #.
Valid digits 0-9. Internal dial tone. Make the external call.
15.4

Direct Inward System Access (DISA)

If you are working externally and you have the need to make business calls,
call your company and use the company PBX to make an external call to the
desired party. You just pay the costs for the phone call to your company.
The other costs will automatically be placed on your extension number or on
a special project.
Note: To use the DISA function, your extension has to be authorized by
You can also divert calls from your office extension to your external position,
see Section 10 on page 49. During the procedure you will be prompted for
your password.
1. Enter the public number of your company, followed by the DISA number.
Ask the system administrator for the defined DISA number.
Note: If want to register the call on an account number, you should use
2. Follow the voice announcements.
3. Dial the digit(s) for external line access and the desired public number.
72
D i t d o c u me n t wo r d t u a a n g e b o d e n d o o r T e l e c o mH u n t e r . D é z a k e l i j k e T e l e c o m we b s h o p .
T 0 8 8 7 4 6 3 4 4 4 | @ s a l e s @T e l e c o mH u n t e r . n l | www. T e l e c o mH u n t e r . n l
the system administrator. To activate the DISA function, you have
to change the default password from "0000" to a personal one, see
Section 12.8 on page 61.
the Account Number procedure before you enter the external
number, see Section 15.3 on page 71.
.
1424-EN/LZT 103 092 Uen A1 2008-10-27