Siemens 3000 - Manual (Page 89)

Telephone blocking
81
Step-by-Step
Telephone blocking
Telephone lock code programming
You can protect your handset against unauthorised ac-
cess (thereby safeguarding personal data) by entering a
5-digit code to lock and unlock it.
To change a code, first enter the old code and then key
in the new code twice.
c
Press the Talk key.
Call the system menu.
> < [
Select and confirm the menu item.
> < [
Select and confirm the menu item.
o
Enter the old PIN (5 digits, default "00000").
o
Enter the new PIN, e.g. 11111 (5 digits).
o
Repeat the new PIN.
Menu
Service?
*Change PIN?
Note:
If you have forgotten your PIN, contact your
service engineer for help. He will be able to re-
set your PIN to "00000".
It is also possible to open your mobile phone
from a central station, e.g. from the attendant
terminal.