AT&T DEFINITY User Manual page 8

Mute button
Drop button
Test button
Conference button
Shift button
Transfer button
Volume control
button
For turning off the microphone associated with the
handset or the built-in speakerphone so the other person
on the call cannot hear you.
For disconnecting from a call or dropping the last party
added to a conference call.
When the voice terminal is initially powered up, the
green light next to [
Test
PBX is not (or not yet) operational. The light changes to
steady green when the voice terminal is able to
communicate with the PBX, and then goes off after a
short period of time. After the voice terminal is powered
up, you can press [
Test
display on your voice terminal.
For setting up conference calls. This button is labeled
[ ] .
Conf
A blue button which can be used to access two additional
features (when [ ] is active, the red light next to the
Shift
button is on):
When used with [
Hold
personalized ring from among eight available
patterns.
When used with [
Speaker
acoustic test of the environment and adjust the
speakerphone to the surrounding acoustic
environment for optimal performance (for the
built-in speakerphone option only).
For transferring a call to another voice terminal.
For adjusting the volume of the following:
The speakerphone or speaker when a call is in
progress using the 2-way speakerphone or 1-way
speaker
The handset receiver level while a call is in progress
using the handset
The tone ringer when the speaker is off and either
the handset is inactive or the tone ringer is active
Note: When the speaker is active, the ringer volume is
automatically reduced to a low setting. The volume is
restored when the speaker is turned off.
Remember: The Volume control button on your voice
terminal does not control the volume level of adjunct
equipment.
] flashes if the link with the
] to test the lights and the
] , you can select a
] , you can perform an
3