User`s guide
OTHER USEFUL FACILITIES
61
BusinessPhone 250 - Executive Telephone
BusinessPhone 50 - Executive Telephone
NIGHT SWITCHING If you want this facility, please ask your system administrator.
This function is used for directing all incoming calls to one
extension (answering position), e.g. when the office is closed.
Night Press to activate or deactivate (pre-programmed)
When the lamp lights, night switch is active. When the lights
extinguishes, night switch is passive.
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 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”.
You can also divert calls from your office extension to your
external position, see section “Call forwarding”.
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
followed by the DISA number
Ask the system administrator for the defined DISA number.
Dial the external number
or
Use the external diversion function
Procedure, see section “Call forwarding”.
Note: If you program a new diversion address, remember to re-
set it when you return to your office.










