Siemens OptiPoint 410 - Manual (Page 71)

Private Sphere/Security
71
Step by Step
Suppressing your number on called
party’s display
Suppression of the number indication only applies to
the next call and is not saved together with the redial
function.
Press the key. The lamp lights up.
lf
Enter the service code. Dial tone can be heard.
or
> :
Select and confirm.
:
Confirm. Dial tone can be heard.
and
p
Enter the other party’s number. If the call is answered,
your number does not appear on the called party’s dis-
play.
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.
program/service
More features?
Display suppression?
program/service
More features?
Call tracing?
If malicious call holding was successful, your net-
work carrier will have the saved data. Contact the
service personnel!