Samsung Galaxy S4 User Manual page 318

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Outgoing call conditions configures the connected Bluetooth
device to make outbound calls within one of two settings: Even
when device locked or Only when device unlocked.
• Wi-Fi Calling: Allows you to both activate/deactivate the Wi-Fi
Calling feature and configure its settings. For more information,
refer to "Wi-Fi Calling" on page 84.
Note: If the Wi-Fi Calling feature is active and connected, the
Call forwarding feature is greyed-out and inaccessible.
• Additional settings: allows you to configure additional call
settings. For more information, refer to "Configuring
Additional Voice Call Settings" on page 315.
• Ringtones and keypad tones: allows you to manage your
device's ringtones and vibratory features. Choose from:
Ringtones, Vibrations, Vibrate when ringing, and Keypad tones
(used when the keypad is pressed).
• Personalize call sound: allows you to enable the personalize
call sound function within an active call. You can adjust the
audio by enabling selecting an audio preset. For more
information, refer to "Adjusting the Call Volume" on page
87.
312
• Noise reduction: allows you to enable suppression of
background audio.
• Increase volume in pocket: enables the ringtone volume to be
increased when the device is in a pocket or bag.
• Voicemail service: allows you to assign the service.
• Voicemail settings: displays the settings for the voicemail.
• Sound: assigns your device's ringtone.
• Vibrate: configures the vibrate settings.
• TTY mode: allows you to configure the TTY settings. For more
information, refer to "TTY Mode" on page 320.