Step by Step
Private Sphere/Security
82
Malicious call holding
You can trace a malicious external caller. The caller’s
number can be registered during the call or for up to 30
seconds after the call. Do not replace the handset.
Press the key. The lamp lights up.
lg Enter the service code.
or
> :Select and confirm.
> :Select and confirm.
Locking your telephone
You can prevent unauthorized persons from using your
telephone (and the telephone directory) during your ab-
sence.
Precondition: You have been assigned a personal iden-
tification number (PIN) by the service personnel.
Preventing unauthorized dialing:
Press the key. The lamp lights up.
jk Enter the service code.
or
> :Select and confirm.
> :Select and confirm.
and
pEnter the PIN (code number).
o
r
In the case of optiPoint 420 standard with Chip card
reader: Insert the chip card. All lamps light up briefly
Input is followed by the display: "Executed".
Remove the chip card again.
Prog./Serv.
More features? >
Call tracing? >
If malicious call holding was successful, your net-
work carrier will have the saved data. Contact the
service personnel!
Prog./Serv.
PIN / COS? >
Change COS? >
Insert
Chip card
Chip card
reader:
When the telephone is disabled in this way, a
special dial tone is audible when the handset is
lifted. Internally (within HiPath 4000), dialing is
possible in the usual way.