The carrier is seeking FCC approval to run tests that would eventually spell the end of TDM phone service.
The popular messaging service is taking on the likes of Skype and Viber with its new VoIP service.
Sprint plans to follow T-Mobile's lead and roll out Wi-Fi calling options, but just on two phones to begin with.
A mere week after launching a new direct calling service, Viber is expanding yet again.
Viber's new low-cost phone calling option is a steal if you're dialing phones in the U.S., but do you homework if you're making international calls.
It's a double win: Help your business project professionalism and competence while shrinking your monthly phone bill.
Passengers in flight could make voice calls and exchange text messages using a new service from Gogo, but that doesn't mean your seatmate will be able to blab all through your next flight.
Skype decides it won't kill all aspects of its desktop API just yet, after facing widespread backlash on the decision to do so.
Skype's Android app has received a much-needed overhaul, adding a new look and greatly improved video call quality.
TextNow is jumping into the low-cost wireless service fray, with smartphone plans that start at $19 per month for data-based service that relies on Voice over IP for calls.