Samsung GALAXY S4 Active - Noise Reduction; Voicemail Settings; Increase Volume in Pocket; Voicemail Service

Noise reduction
This option helps to suppress background noise from your
side during a call.
 From the Home screen, tap  Settings 
My device  Call  Noise reduction to create a
checkmark and enable the feature.
My device
My device
Increase volume in pocket
This option increases the ringtone volume when the device is
in a pocket or a bag. It uses the proximity sensor to detect its
location.
 From the Home screen, tap  Settings 
My device  Call  Increase volume in pocket to
create a checkmark and enable the feature.
My device
My device
Voicemail service
1. From the Home screen, tap  Settings 
My device
My device
My device  Call  Voicemail Service .
Voicemail service provided by your carrier is the
default.
2. Tap
My carrier to remove the carrier Voicemail service.
Voicemail settings
You can view or modify your voicemail number from this
menu.
1. From the Home screen, tap

Settings

My device  Call  Voicemail settings .
My device
My device
2. Tap the
Voice mail number field, backspace to erase the
digits, and enter a new voicemail number using the
keypad, then tap
OK .
3. Tap
OK .
Sound
This sound setting plays a sound when a voicemail is
received.
1. From the Home screen, tap

Settings 
My device  Call  Sound .
My device
My device
2. Tap a ringtone to hear it played.
3. Select a ringtone and tap
OK .
Changing Your Settings 117