How to enable Wi-Fi calling on your iPhone and android
Step 1. Go to the settings on your iPhone and select “Phone”
Step 2. Under phone, you can see an option “Wi-Fi Calling”. Click on that.
Step 3. Enable wi-fi calling by clicking on the toggle button.
Step 4. Once the “Wi-Fi Calling on this iPhone is selected”, a message pops up to confirm enabling of the service. Click on “Enable”
Step 5. The next screen asks to update the address. Update the address. Then Select the “Verify the Address” button.
The iPhone is now setup for Wi-Fi calling.