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Headset Operation on page 114
Headset Caller 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.
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Headset Operation on page 114
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 button.
2. Use the cursor keys to select Advanced.
3. Use the cursor keys to select Audio.
4. Use the cursor keys to select Handset AGC, Headset AGC or Speaker AGC as required.
5. To change the current setting, press Change.
6. When completed, press Save or Done.
7. Press Back/Exit to exit the menus.
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Headset Operation on page 114
Default Handsfree Audio Path
By default, when you make a call or answer a call without lifting the handset, the audio is played
through the phone's speaker while you speak via the phone's microphone.
Headset Caller Volume
March 2023 Using 1408/1416 Phones on IP Office 115
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