Samsung Galaxy Core Prime - Call Settings Configuration; Setting Up Call Rejection Messages; Configuring Noise Reduction; Enabling TTY Mode

Phone App 119
Call Settings
Your phone’s Call Settings menu lets you configure your voicemail options and a number of other settings
for the phone application.
Call Settings Options
Use the Call Settings menu to adjust the following settings:
Setting
Description
Set up call rejection
messages
Create or edit messages to reject incoming calls
Answering/ending callas
Answer calls by pressing the Home Key, and end calls by pressing the
Power/Lock Key
Ringtones and keypad tones
Select or create your default ringtone, set the phone to vibrate when
ringing, and play a tone when the dialing keypad is tapped
Noise reduction
Suppress background noise during calls
Voicemail service
Select a voicemail service
Voicemail settings
Configure your voicemail
US dialing
Replace + with the international dialing code, except when entering +1
International dialing
Enter the international dialing code automatically
TTY mode
Enable service on your phone
Hearing aids
Improve the sound quality of your phone when using hearing aids
DTMF tones
Set the length of DTMF tones, which are used when pressing the
keypad while on a call
Voice privacy
Activate Enhanced privacy mode