Deutsche Telekom F400 User Manual

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.

Select and confirm.

or

or

or

or

or

or

or

or

    or 

or 

or 

or 

Enter code for "suppress" or "restore".

Talking to Your Colleague With a Speaker 
Call 

You can talk to internal parties with an system telephone directly with 
a speaker call without any action on their part.

Press the key. The LED lights up.

Select and confirm.

or

or

or

or

Enter the code.

Enter the station number.

System Support can turn caller ID suppression on and off for 
all telephones.

Program/Service

*

Responding to a speaker call (