Samsung galaxy note 5 - Page 119

Phone App 108
Setting
Description
More settings
● TTY mode: Enable service on your phone.
● Hearing aids: Improve the sound quality of your phone when
using hearing aids.
US dialing
Replace + with the international dialing code, except when entering +1.
International dialing
Enter the international dialing code automatically (only when US dialing
is disabled).
DTMF tones
Set the length of DTMF tones, which are used when pressing the
keypad while on a call.
Voicemail settings
Configure your voicemail.
For more information about Call settings, see Phone Settings.