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Use extra volume for calls

When enabled, the call screen displays a volume control, for
adjusting call volume during calls.
1. From the Home screen, touch
Phone
.
2. Touch
Menu
Call settings
.
3. Touch
Extra volume on calls
to enable or disable the
option.

Increase volume in pocket

When enabled, the phone uses the proximity sensor to detect
when the phone is in a pocket or other close-fitting location
such as a purse or bag, and increases the volume for
incoming call ringtones.
1. From the Home screen, touch
Phone
.
2. Touch
Menu
Call settings
.
3. Touch
Increase volume in pocket
to enable or disable
the setting.

Additional settings

Noise reduction
When enabled, the effect of background noise is suppressed,
to help you and the other caller hear better.
1. From the Home screen, touch
Phone
.
2. Touch
Menu
Call settings
Additional settings
.
3. Touch
Noise reduction
to enable or disable the option.