Avaya 555-233-128 Manuel D’Utilisation

5. To change the AGC Speaker value from On to Off, press 0. To change the AGC Speaker 

value from Off to On, press 1.

If a value different from the current AGCHAND value and/or the current AGCHEAD value 
and/or the current AGCSPKR value is entered, all telephones except the 4601 display the 
following text left-justified at the top of the display:

6. Press the * button to terminate the procedure, or the # button to save the new value(s). If 

you press the # button, all telephones except the 4601 display the following text:

The telephone saves the new value(s).

Use this procedure to set or change the Alerting mode. As of software Release 2.2, all 4600 
Series IP Telephones can alert a user to incoming calls audibly (the default) or both audibly and 
visually. Visual alert is useful in noisy environments where an audible alert might not be heard, 
or to tell at a glance which of several phones is ringing.

1. While the telephone is on-hook and idle, press the following sequence of keys on the 

telephone’s faceplate:

Mute 2 5 3 7 8 # (Mute A L E R T #) 

Note:

Press the Mute button momentarily. Do not press this button while pressing other 
keys/buttons. The 4630/4630SW IP Telephones and the 4690 IP Conference 
Telephone do not have a dedicated Hold button. For all other 4600 Series IP 
Telephones, pressing the Hold button instead of the Mute button also works.

All IP telephones except the 4601 display the following text left-justified at the top of the 
display: