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, ...

We’ve all been there, standing by a window or waving our phones in the air, hoping a bar or two of mobile phone signal will appear. For many, Wi-Fi calling seems like the perfect solution, if your ...

AT&T introduced a mobile calling plan Wednesday that allows unlimited free voice calls to any wireless network in the U.S. However, to be eligible for the new plan, Unlimited Mobile to Any Mobile, ...