Device will let people tap into any Wi-Fi network to make and receive calls and to go online to avoid using cellular minutes and data.
From the Cheapskate: Who says there's no such thing as a free virtual private network? Plus: Three bonus deals.
The Nanu app plays sponsored ads before a call, letting users make free calls to other app users, as well as landlines and mobiles not using the app.
Or buy a compatible phone for just $50. Either way, you'll score a surprising amount of minutes, text messages and data. So what's the catch?
Curious about Wi-Fi calling and what it entails? CNET has the rundown on what you need to know.
Launching in London today, the new company is set to take on the smartphone market with budget hardware and unusual Android software.
If you're concerned you may be the unwitting victim of the firm's exploits, download this free tool.
Developers hoping to build services for people using Internet.org -- which provides free basic Web services via mobile -- must follow three principles meant to bring more people online.
Commentary: A 2012 law forbids the states' Public Utility Commission from regulating Internet services. But the pending merger of ISPs could allow the opportunity to do just that.
Mobile World Congress has officially begun in Barcelona, Spain. Here's all the stuff you missed at the first day of the show.