User's Manual 6. Customizing the Phone
Version 3.0.1 43 405HD IP Phone for Microsoft Skype for Business
6.12.3 Adjusting Handset Volume
You can adjust the volume of the handset during a call or when making a call. After changing the
volume, the newly adjusted level applies to all subsequent handset use.
To adjust handset volume:
1. During a call or when making a call ensure that the handset is off the cradle.
2. Press the - + hard key; the Handset Volume bar is displayed on the screen.
3. Press the - + hard key on the keypad. After adjusting, the Handset Volume bar
disappears from the screen.
6.12.4 Adjusting Speaker Volume
You can adjust the volume of the speaker only during a call. After changing the volume, it applies
to all subsequent speaker use.
To adjust the speaker volume:
1. During a call, press the speaker key.
2. Press the - + hard key; the Speaker Volume bar is displayed on the screen.
3. Adjust the volume using the - + hard key. After you finish adjusting the volume, the
Speaker Volume bar disappears from the screen.
6.12.5 Adjusting Headset Volume
You can adjust the volume of the headset only during a call. After changing the volume, it applies
to all subsequent headset use.
To adjust the headset volume:
1. During a call, press the headset key.
2. Press the - + hard key; the Headset Volume bar is displayed in the screen.
3. Adjust the volume using the - + hard key. After adjusting the volume, the Headset
Volume bar disappears from the screen.