Siemens 3000 v3.0 Manuel D’Utilisation

You can lock your handset to prevent external dialling 
and programming, thereby preventing unauthorised 
use in your absence, for example. 

Prerequisite: You have defined a personal code or use 
the default code "00000".

c

Press the Talk key.

Call the system menu.

> < 

 [

Select and confirm the menu item.

o

Enter the PIN code (5 digits, default "00000").

a

Press the On-hook key to end the process.

c

Press the Talk key.

Call the system menu.

> < 

 [

Select and confirm the menu item.

o

Enter the PIN code (5 digits, default "00000").

a

Press the On-hook key to end the process.

Changeover on?

Even though it is locked, you can still use your 
handset to answer external calls and make inter-
nal calls. When an external connection is estab-
lished, the following message appears on the 
display "Telephone Lock Active".

Your handset can also be locked from a central 
station (

Changeover off?