Samsung Galaxy S7 Edge User Manual page 115

Wi-Fi calling
Make calls over Wi-Fi when you are connected to a
Wi-Fi network. Contact your wireless service provider
for details.
1. From Settings, tap Wi-Fi calling.
2. Tap On/Off to enable this feature.
3. Follow the prompts to set up and configure
Wi-Fi calling.
Apps
Phone settings
These settings allow you to modify settings
associated with the Phone app.
1. From a Home screen, tap
options > Settings.
2. Tap an option and follow the prompts.
TTY mode
A teletypewriter (TTY) is a telecommunications device
that allows people who are deaf, hard of hearing, or
who have speech or language disabilities to
communicate by telephone.
1. From a Home screen, tap
options > Settings.
2. Tap More settings > TTY mode.
3. Tap TTY OFF, TTY FULL, TTY HCO, or TTY VCO.
105
Phone > More
Phone > More