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.
Mobile World Congress has officially begun in Barcelona, Spain. Here's all the stuff you missed at the first day of the show.
What we want out of the first Lumia phone with Microsoft's name attached isn't rocket science. It's for the company to give those entry-level specs a break.
The popular messaging app appears to have switched on its promised voice calling feature, with some users reporting the functionality appearing in the latest app build.
While Telstra receives upwards of 85,000 requests for metadata from law enforcement each year, the telco has revealed police still use a very retro method to file the paperwork.
Windows 10 on smartphones will look a little cleaner and behave a little better than before, but the biggest changes Microsoft made to its all-in-one OS come from the phone, not the other way around.
As it rolls out a new version of Skype for iPhone, Microsoft announces it's recruiting users to test out pre-release versions.
This magnetic speakerphone for your fridge includes an e-ink messaging display, radio, and a hefty one month battery life.
To stop terrorists and other criminals, cell phones should have encryption backdoors to enable US government surveillance, argues FBI Director James Comey.
The Qatar-based phone company is the first to open for business since the Asian country's military dictatorship dissolved three years ago.