Siemens 3000 V3.0 Operating Manual page 16

Conducting calls – the basic functions
Step-by-Step
> <
1=all calls?
> <
2=external
calls only?
> <
3=internal
calls only?
> <
Divert cancelled?
8
either:
[
Select and confirm the menu item.
or:
[
Select and confirm the menu item.
or:
[
Select and confirm the menu item.
continue:
o
Enter the destination phone number.
Save the settings.
Save
a
Press the On-hook key to end the process.
Deactivating call forwarding
Prerequisite:
The room monitor function is activated.
c
Press the Talk key.
Menu Call the system menu.
[
Select and confirm the menu item.
a
Press the On-hook key to end the process.
Note:
The external code must be entered before ex-
ternal phone numbers.
If the service engineer has activated DTMF DID,
you can also forward calls to these external
phone numbers.