Samsung Galaxy Core Prime User Manual page 300

Call Setting
Additional settings
Ringtones and keypad
tones
Noise reduction
Voicemail settings
US dialing
International dialing
Hearing aids
DTMF tones
Voice privacy
DDTM
1. From home, tap Apps
2. Set your call settings.
Your call settings are saved and applied.
Settings
Description
Access TTY mode and configure hearing aid options.
Select or create your default ringtone, set the phone to vibrate when
ringing, and play a tone when the dialing keypad is tapped.
Suppress background noise during calls.
Configure your voicemail.
Replace + with the international dialing code, except when entering +1.
Enter the international dialing code automatically.
Improve the sound quality of your phone when using hearing aids.
Set the length of DTMF tones on your phone.
Activate Enhanced privacy mode.
Make and receive voice calls or use voicemail while using mobile
networks.
> Settings > Call.
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