Use extra volume for calls
This option allows you to see an extra volume button on the
screen during calls.
From the main Call settings page, tap Extra volume on
calls to create a checkmark and enable the feature.
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 main Call settings page, tap Increase volume
in pocket to create a checkmark and enable the
feature.
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Configuring Call Forwarding
1. From the main Call settings page, tap Call forwarding.
2. Tap an available option:
• Always forward: incoming calls are re-routed to a secondary
number that you specify.
• Forward when busy: forwards all your calls to voicemail when
your phone is busy.
• Forward when unanswered: automatically forwards to your
voicemail number when the phone is not answered, and
otherwise allows you to enter a voicemail number.
• Forward when unreachable: automatically forwards to your
voicemail number when the phone is not in service, or is turned
off.
For additional information of additional calling features such
as Wi-Fi Calling, Additional settings, Voicemail services,
Ringtones, and Vibrate, refer to "Call Functions and Contacts
on page 54
List"
.