1.3 Telephone Features and Operation
Operating Manual 81
1.3.38 Mute
To set/cancel
• The Message button light or Message/Ringer Lamp shows the current status as follows: 
Off: No message 
Red on: You have a message.
• The display shows the messages starting with the most recent call.
• On your PT, you can establish one or more Message for Another Extension buttons.
These buttons can accept the message waiting notification of other extensions or various 
incoming call distribution groups.
In other words, you can monitor the message waiting notifications of other telephones.
• A single line telephone extension user will receive a special dial tone as message waiting 
notification when going off-hook.
Customizing Your Phone
• 3.1.4 Customizing the Buttons
Create or edit a Message button or Message for Another Extension button.
You can disable the microphone or the handset to consult privately with others in the room 
while listening to the other party on the phone through the speaker or the handset.
• The AUTO ANS/MUTE button light shows the current status as follows:
Off: Normal
Flashing red: Mute
Press 
MUTE
.
During a conversation
PT