Siemens 3000 V3.0 - Manual (Page 94)

Step-by-Step
Telephone blocking
86
Locking/unlocking the handset
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".
Locking the handset
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.
Unlocking the handset
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.
Menu
Changeover on?
Note:
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 (
Æ page 85).
Menu
Changeover off?