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Using the Aastra 673xi / 675xi
Other Device Functions
Handsfree / Open-Listening Mode
You can make a call in the handsfree mode, e.g. to let anyone present in the room
listen in. Before or during a call, press the Handsfree key
Aastra 6730i / 6731i and on the Aastra 6751i: the Loudspeaker key
speaker is switched on. The red LED indicator next to the Handsfree key lights up.
Press the key once again to switch the speaker off.
Mute Function
If you do not want the caller to listen in to what, e.g. you are discussing with
someone in the room, you can temporarily mute the telephone. During a call
press – the Mute key
next to the key blinks and your caller can no longer hear you. Press the Mute
key
once again to switch the microphone back on.
Call Protection
You can configure a function key with the do not disturb function (please refer to
Function Keys Reference starting on page 31).
1. Press the function key to activate the do not disturb function.
The LED indicator next to the function key lights up, the display shows DND.
Callers now receive the busy signal. Internal callers with system terminals also
receive No Answer on the display.
2. Press the function key once again to deactivate the do not disturb function.
Adjusting Volume Level
You can adjust the volume of the ringer, of the handset or of the speaker with the
Volume keys
■
During call signalling you can adjust the volume of the ringer.
■
While making a call, you adjust the volume of the handset or – in the handsfree
mode – the volume of the speaker.
16
. The microphone is switched off. The red LED indicator
.
(on the
). The
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