Siemens Hipath 5000 - Trace Call: Identifying Anonymous Callers (Not for U.S.)

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Privacy/security
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Trace call: identifying anonymous
callers (not for U.S.)
You can identify malicious external callers. You can
record the caller’s phone number during a call or up to
30 seconds after a call. In this case, you should not
hang up.
v Open the Program/Service menu Æ page 42.
Select and confirm the option shown.
Trace call
If the trace is successful, the transmitted data is
stored by your network operator. Contact your
service personnel.