The free-call bonanza now includes France, Israel, Italy, Thailand and the UK, among others.
You can make unlimited calls to a handful of countries and earn credits toward free calls to 85 others.
The carrier previously charged 1 cent a minute to wireless and landline numbers in Mexico.
FreeTone delivers on its promise of free text messaging and calling within the US, but falls short on just about everything else.
On paper, it doesn't make sense for smartwatches to have their own independent connection. But AT&T is working to make sure it's in the mix when it comes to wearables.
The carrier serves up two options for customers looking to save on international phone calls to dozens of countries.
The new app, available only on 2014 Samsung Smart TVs that feature a built-in camera, allows users to participate in three-party group calls and enjoy higher resolution.
Call of Duty, one of the most popular first-person shooters, is launching online in the world's most populous country, putting the game in front of a whole new audience.
AT&T actually owns the use of the term "rollover" from its days when it rolled over minutes as Cingular Wireless.
Web inventor Tim Berners-Lee had the sci-fi inspired name in mind, according to fellow innovator Wendy Hall, who spoke to CNET about the evolution of the World Wide Web.