Telephone settings
49
Step by Step
Telephone settings

Locking the telephone line to prevent

misuse

You can prevent unauthorised persons from using your
telephone (and the system directory) during your ab-
sence.
Prerequisite: You have been assigned a personal iden-
tification number (PI N) by System Support.
Locking the telephone line to prevent unauthorised
dialling:
Press the off-hook
key
twice.
--> OK Select and confirm the service menu.
Enter the service code.
or
--> OK Select and confirm.
--> OK Select and confirm.
and
pEnter the PIN (code no.).
OK Press. If the PIN is correct, it will be confirmed with:
"carried out" on the display.
aa
SERVICE
6
MNO
7
PRS
PIN / COS?
CHANGE COS