Samsung Galaxy S6 edge User Manual page 153

To activate Wi-Fi Calling:
1. From a Home screen, tap
2. Tap Advanced calling > Activate Wi-Fi calling.
3. Enter a valid emergency address. This will be used
whenever an emergency call is placed over Wi-Fi.
Once the address is saved successfully, Wi-Fi
Calling is turned on.
•
Voice and video calls will now be able to
go over Wi-Fi when your cellular network
coverage is weak or if you don't have cellular
network coverage in your area.
Note: You must be connected to a Wi-Fi network for this
feature to work.
Settings
Apps > Settings.
143
Advanced Calling