Malicious Call Holding - Siemens optiPoint 500 economy User Manual

Step by Step
program/service
More features?
Call tracing?

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.
A<
Enter the service code.
or
Select and confirm.
Select and confirm.
If malicious call holding was successful, your net-
work carrier will have the saved data. Contact
your system administrator!
Answering calls and Making calls
23 23 23 23