Step by Step
Making and Answering Calls
14
Turning Do Not Disturb On and Off
You can activate the do not disturb function if you do not
want the receive any calls. When do not disturb is acti-
vated, internal callers hear a busy s ignal and external
callers are rerouted to a telephone assigned for this pur-
pose (System Support).
CLift the handset.

FB@ or GB@ LEnter the code for "on" or "off".

Trace Call: Identifying Anonymous Callers (Not for U.S.)
You can have the carrier identify malicious external call-
ers. You can save the caller’s station number during the
call or for 30 seconds after the call ends. However, it is
essential that you do not replace y our handset during
this time.
HYou are engaged in an external call.

FA=

Press the key. LED flashes. 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 temporari-
ly switch off the handset microphone or the handsfree
microphone.
Precondition: You are conducting a call. The
microphone is switched on.
Press the key. The LED lights up.
When you lift the handset, a special dial tone
(continuous buzzing) reminds you that "do not
disturb" is active.
Authorized internal callers can automatically
override the "do not disturb" function after five
secon ds.
Consultation
After you have finished tracing the call, the data
is stored on the carrier’s system. Now contact
System Support.
Mute