Operation Manual

55BusinessPhone – Cordless DT400/DT410/DT420/DT430
Other Useful Facilities
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 build
up 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 activate this function, you have to change the
default password from “0000” to a personal one. Which
code to use and how to change it, see section “Select
password” on page 62.
You can also divert calls from your office extension to your external
position, see section “Call Forwarding” on page 23. During the
procedure you will be prompted for your password. See last page
for a card to remember these specific numbers.
Dial the public number of your company
z
followed by the DISA number
Please ask the system administrator for the defined DISA number.
Note: If want to register the call on an account number, you
should use the account number procedure before you enter
the external number, see section “Account number” on
page 52.
z
Dial the external number
or
Use the external diversion function
Procedure, see section “Call Forwarding” on page 23.
Note: If you program a new diversion address, remember
to reset it when you return to your office.