Siemens HiPath 4000 Operating Instructions Manual page 114

Additional functions
Step by Step
> <
BASIC SERVICE
> <
Feature settings
> <
CALL PROTECT
Activate
Deactivate
114
Caution:
The number of possible speaker calls and normal
calls is the same.
Activating/deactivating speaker calling
You can protect yourself against being directly
addressed. Attempts to address you directly over the
speakerphone will then become normal calls.
u Open the system menu.
[
Select and confirm the basic service.
Either:
2 3 Enter the service code.
or:
[
Select the menu item and confirm.
[
Select the menu item and confirm.
then:
Activating or deactivating
[
Confirm the menu item displayed.
[