Aastra 6771/6773/6775 (OpenPhone 71/73/75) System Phones
18
Hands-Free/Open-Listening Key
LTo make calls using the microphone and/or loudspeaker. The illuminated LED
of the key indicates that hands-free telephoning is activated. The LED flashes when
open-listening is activated.
Muting Key
STo deactivate the microphone during a call. The illuminated LED of the key indi-
cates that the microphone is turned off. The LED of the key is illuminated when the
microphone is deactivated. The ringer of your telephone can be switched off for
incoming calls over the muting key.
Disconnect Key
TPressing this key ends the current call.
Headset Key
KIf a headset is connected and switched on (to switch on a headset, see
page 114), calls can be accepted and calls can be ended by pressing this key. The LED
of the key is illuminated when a call is made via the headset.
Situation: By pressing the key:
You receive a call. You accept the call without picking up
the handset (hands-free mode, the LED
is illuminated).
You have dialled a call number (block
dialling/automatic dialling).
The call number is dialled.
You have selected a call number from
the telephone book.
The call number is dialled.
You are making a call via the handset
and want to let a second person listen
in on the call.
The loudspeaker is switched on (open-
listening mode, the LED flashes).
You are making a call via the handset
and wish to switch to hands-free mode.
Keep the key depressed and replace the
handset. Then release the hands-free/
open-listening key. You can continue
the call in hands-free mode.
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