Avaya 555-233-128 Manual De Usuario

Use the following procedure to turn automatic gain control for the handset, headset, and/or the 
Speaker on or off.

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

faceplate of the telephone:

Mute 2 4 2 # (Mute A G C #) 

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.

2. After entry of the command sequence, all telephones except the 4601 display the following, 

based on the current value of the system value AGCHAND:

3. To change the AGC Handset value from On to Off, press 0. To change the AGC Handset 

value from Off to On, press 1.

If the telephone has a Headset interface one of the following displays, based on the current 
value of the system value AGCHEAD:

If the telephone does not have a headset interface, proceed to Step 5.

4. To change the AGC Headset value from On to Off, press 0. To change the AGC Headset 

value from Off to On, press 1.

One of the following displays, based on the current value of the system value AGCSPKR:

If AGCHAND = 1:

on 

 

If AGCHAND = 0:

off 

 

If AGCHEAD = 1:

on 

 

If AGCHEAD = 0:

off 

 

If AGCSPKR = 1:

on 

 

If AGCSPKR = 0:

off