How does WiFi calling work? WiFi calling is like a cross between regular cell phone calls and VOIP services like Skype that allow you to make phone calls from your computer.

What customers should know about Wi-Fi calling amid the recent AT&T outage that's affected tens of thousands across the country.

There's one limitation, though. Android and PC users can't start a FaceTime call on their own. They'll need an Apple user to ...

A widespread Verizon outage is causing iPhones and Android devices to enter SOS mode, preventing them from making mobile calls unless they use WiFi calling.