Kuo suggested that the iPhone 13 may come with the ability to connect to Low Earth Orbit (LEO) satellites to make calls, but that ... rather than full phone or text connectivity.
In simpler terms, the iPhone 13 could support low-earth orbit (LEO) satellites, so when the phone is out of cellular coverage, it could connect to a LEO satellite to allow you make calls.
Wi-Fi calling is a great feature that helps you make quality ... turn on Wi-Fi calls on your phone will depend on what phone you have. Here's how to enable Wi-Fi calling on your iPhone or Android.