Set Headset Volume:
1.
Set Speaker Volume:
1.
Call Timer
This timer displays the elapsed time of a call.
Mute
You can use the Mute key in any audio mode.
Step
Activate the Mute feature:
1.
Deactivate the Mute feature:
1.
Aastra - 2756-002
Press the Volume key while on a call.
Press the Volume key while on a call
and talking on the Speaker.
Action
During a call:
Press the Mute key.
If you place a muted call on hold, the
phone automatically takes the call off
mute when you reconnect to the call.
Press the Mute key again.
480i IP Phone User Guide for SPN
The Headset volume indicator displays
on the screen. The headset remains at
this volume until it is adjusted again.
The Speaker volume indicator displays
on the screen. The speaker remains at
this volume until it is adjusted again.
Result
•
The red Mute lamp flashes slowly.
•
The microphone icon
on the screen.
•
You can hear the caller.
•
The caller cannot hear you.
Mute is deactivated.
displays
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