Most of us spend time in at least a few places where our phones just don’t work, whether it’s a room or two at home or at work, a favorite coffee shop, or some other signal-lacking location. That’s ...

Wi-Fi can easily serve as a backup for your cellular network for calling and texting, especially if you find yourself without signal. Mike Sorrentino is a Senior Editor for Mobile, covering phones, ...

There are a couple of rooms in my house where I barely get a cell signal. Crackly audio and frequent dropouts were once quite common, forcing me to go outside to make calls. That was before I ...

Wi-Fi may carry many voice calls within the next few years, but the technology required to make those calls is still young in some ways. Mobile subscribers have been talking and doing video chats over ...

According to Apple’s support doc, the “Calls on Other Devices” feature “allows other devices where you’re signed in with the same Apple ID to make and receive calls when they’re nearby your iPhone and ...

TeleSym's software lets people make more or less free phone calls over a Wi-Fi network with a laptop, PDA or cell phone. And, it says, callers don't sound like they're in a tin can. Michael Kanellos ...