AT&T 410 820 - Manual (Page 22)

Optional Equipment
HANDS-FREE UNIT
The Hands-Free Unit provides the highest quality speaker-
phone service. You can use it for virtually all calls.
Placing a Call
Just touch Speakerphone On/Off and dial. You can talk hands-
free. To end the call, touch Speakerphone On/Off.
Answering a Call
Touch Speakerphone On/Off and speak.
Hands-Free Answer on Intercom
If you have an Auto Answer button on your voice terminal, you
can have your Hands-Free Unit turn on automatically whenever
you get an intercom call. Just leave the Auto Answer button on
(green light on).
Mute the Microphone
You can listen to a conversation on the Hands-Free Unit without
being heard yourself by turning off the microphone. Touch
Microphone On/Off (green light goes off). To resume speak-
ing, touch Microphone On/Off (green light comes on).
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