AT&T 7720 - Manual (Page 6)

4
INSTALLATION
Softkeys
A & B
Display
Antenna
Access
answering
system
Access special
programming
features
Scroll through
screen information
Make, answer
or end a call
Turn handset
ringer on or off
Access
custom calling
services
Dial number displayed on screen
Activate
Voice
Security
feature
Adjust listening
volume
Put
caller on
hold
Temporary
Tone
Change
channels