Samsung Galaxy S8 Active User Manual page 117

Video calls
To make Video calls:
1. From a Home screen, tap
2. Enter a number and tap
Note: Not all devices support video calling.
The receiver has the option to accept the video call or
answer the call as a regular voice call.
Apps
Phone.
Video call.
110
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 a Home screen, swipe up to access Apps.
2. Tap Settings > Connections > More connection
settings > Wi-Fi calling.
3. Tap On/Off to enable this feature.
4. Follow the prompts to set up and configure
Wi-Fi calling.