Samsung Galaxy Note 7 User Manual page 153

To activate Wi-Fi Calling:
1. From a Home screen, tap
2. Tap Advanced calling.
3. Tap Activate Wi‑Fi calling.
4. 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