How do I enable Wi-Fi Calling on a compatible Apple handset?

To enable Wi-Fi Calling on a compatible Apple handset, follow these steps:

Make sure your device is connected to a Wi-Fi or cellular network.

Upgrade to iOS 11.2

Accept new carrier settings

Go to settings > Mobile data > Wi-Fi calling

To check your carrier settings, simply tap Settings > General > About while using an iD SIM. The carrier field should display iD 31.1 or greater.