Unify OpenScape Business - Presence Status Configuration; Setting Presence Status and Duration

Privacy/security 79
Caller ID suppression
You can prevent your station number or name from appearing on the displays of
external parties you call. The feature remains active until you deactivate it.
Activating
c Open the idle menu Æ Page 26.
Select and confirm the option shown.
Deactivating
c Open the idle menu Æ Page 26.
Select and confirm the option shown.
Suppress call ID
Restore caller ID
Your administrator can activate/deactivate caller ID suppression for all
phones.