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 ...

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, ...

T-Mobile USA is expanding beyond its consumer roots on Monday with T-Mobile Wi-Fi Calling with MobileOffice, a service that lets businesses extend capabilities of their desk phones to BlackBerry ...