Volume and Sound
Headset Volume
While talking via the headset, you can adjust the volume of the caller.
Procedure
1. Use the + plus and – minus keys to adjust the volume.
2. Once you stop adjusting the volume, the display returns to normal after a few seconds.
Related links
Volume and Sound
Speaker Volume
While talking via the speaker, you can adjust the volume of the caller.
Procedure
1. Use the + plus and – minus keys to adjust the volume.
2. Once you stop adjusting the volume, the display returns to normal after a few seconds.
Related links
Volume and Sound
Automatic Gain Control
When using automatic gain control (AGC), the phone tries to maintain a constant audio level even
if the incoming call changes between loud and quiet.
Procedure
1. Press the
2. Use the cursor keys to select Options & Settings.
3. Use the cursor keys to select Audio.
4. Use the cursor keys to select Automatic gain control.
5. Use the cursor keys to switch between Handset, Headset, or Speaker.
6. To change the highlighted setting, press Toggle.
7. When completed, press Save.
8. Press Back/Exit to exit the menus.
November 2021
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on page 146
button. On 9621/9641 phones, select Settings.
Using 9600 Series Phones on Avaya IP Office
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