Ericsson Dialog 3210 User Manual page 60

Other Useful Facilities
* 7 2 *
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* 7 5 *
z *
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60
Direct Inward System Access (DISA)
(optional)
If you are assigned to use this function and you are working
externally, you can call your office and get access to an external line
in order to make business calls. The business call will be charged
your office extension number or an account number. You will just
be charged for the call to the office.
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The external telephone must be of push button type provided with
hash ( ) and star (
tone pulses (DTMF).
After a completed DISA call you must hang up before a new DISA
call can be made.
Depending on the type of authorization code and if an account
code is used, different procedures must be used:
With common authorization code
z
Call the DISA function at your office
Dial tone.
Press
Enter the authorization code and press
Dial tone.
z
Dial the external number
With individual authorization code
z
Call the DISA function at your office
Dial tone.
Press
Enter the authorization code and press
Dial your own extension number and press
Dial tone.
z
Dial the external number
*
) keys or a mobile telephone adapted for dial
Dialog 3210, 3211 and 3212