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.
Taking a trip? Here’s how to avoid the exorbitant costs of international Internet access, phone calls, text messaging.
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'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.
Google Voice users bummed by the lack of call features in Hangouts have cause to rejoice.