Operating instructions

Microphone activation/deactivation, open listening and
hands-free calling
Activating/ muting the microphone
The mute function allows you to switch off the handset microphone during a normal call, or
the telephone microphone during hands free calling. The party you are calling will then no
longer be able to hear the conversation you conduct with persons in the room (room enquiry).
However, you will continue to be able to hear the party on the phone.
g
s
Room enquiry
s
g
Mute speak
Call duration and cost logging are continued even if the microphone has been
de-activated.
Speaker function
The “Speaker” function can be activated when there are other persons in the room who wish
to also participate in the call. You continue to talk into the handset while this function is active.
You can set the volume during the call as described on page 61.
Please inform the party you are calling that open listening is activated. »|« indicates that open
listening is activated.
g
L L
g
Begin open
listening
End open
listening
When you hang up the handset while open listening is active, both open listening and the call
itself are terminated.
Hands Free Calling
The handset remains in its cradle during hands free calling. The built-in microphone and the
speaker are activated. Any actions are carried out using the open listening / hands-free but
-
ton only. You can switch back to normal »handset« calls at any time during hands free calling
by merely lifting up the handset. You can also switch from normal »handset« calling to hands
free calling when you hang up the handset after pressing the open listening / hands-free but
-
ton. During hands-free calling acoustic signals such as the call waiting signal are not trans
-
mitted.
Please inform the party you are calling that hands-free calling is activated. »|« shows that
hands free calling is activated.
a
L
t
L
Begin hands free
calling
Dial number
End hands
free calling
20 Making telephone calls
Kommunikationstechnik
26
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