Trace call: identifying anonymous callers, Turning the microphone on and off – Deutsche Telekom Octophon F400 User Manual
Page 20
Step by Step
Making and Answering Calls
20
Trace Call: Identifying Anonymous
Callers
You can have the carrier identify malicious external callers. You can
save the caller’s station number during the call or for 30 seconds af-
ter the call ends. However, it is essential that you do not replace your
handset during this time.
Press the key. The LED lights up.
and
and
and
and
Select and confirm.
or
or
or
or
Enter the code.
Turning the Microphone On and Off
To prevent the other party from listening in while you consult with
someone in your office, you can temporarily switch off the handset
microphone or the handsfree microphone. You can also switch on
the handsfree microphone to answer an announcement via the tele-
phone speaker (speaker call,
Precondition:
Precondition:
Precondition:
Precondition: You are conducting a call. The microphone is switched
on.
Press the key. The LED lights up.
or
or
or
or
Press the illuminated key. The LED goes out.
or
or
or
or
Select and confirm.
or
or
or
or
or
or
or
or
Press the key. The LED lights up
or
or
or
or
Enter the code for "on or "off".
Program/Service
*
84=Trace call?
After you have finished tracing the call, the data is stored on
the carrier’s system. Now contact System Support.
Mute
Mute
Mute on?
Mute off?
Program/Service