AT&T Voice Terminal 8510T - Manual (Page 6)

Mute button
Redial button
Softkeys
Speaker button
Telephone number card
Transfer button
Volume control button
For turning off (and then back on again) the microphone
of the handset or the speakerphone so the other person
on the call cannot hear you.
For automatically redialing the last number that you
dialed from the dial pad.
The 4 buttons located below the display and labeled with
arrows ( [ ▲ ] ), correspond to words on the display
screen. Softkeys are used along with display control
keys to access or create a personal Directory of
frequently-called numbers, a Call Log of the most recent
incoming and outgoing calls, and such features as
selecting a personalized ringing pattern, doing a self-test
of your voice terminal, and setting the speakerphone
and the clock.
For turning on and off the speakerphone or the listen-
only speaker.
For noting the area code and telephone number of your
voice terminal.
For transferring a call to another voice terminal.
When on a call, used to increase or decrease the receive
volume of the handset or speakerphone (if on a call).
When you are not on a call, the Volume control button is
used to increase or decrease the volume of the ringer
and the tones.
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