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iPhone gets first free app for encrypting voice calls

Signal is compatible with RedPhone, its Android sibling, and scrambles voice calls placed via the iPhone.

line messaging app

You've got a call on Line, too: Line announces voice calls to traditional phones

The popular messaging service is taking on the likes of Skype and Viber with its new VoIP service.

Sprint to launch Wi-Fi calling, but slowly

Sprint plans to follow T-Mobile's lead and roll out Wi-Fi calling options, but just on two phones to begin with.

Modern-style Viber app lands on Windows 8 and Windows RT

A mere week after launching a new direct calling service, Viber is expanding yet again.

How to Stay Connected When Traveling Abroad

Taking a trip? Here’s how to avoid the exorbitant costs of international Internet access, phone calls, text messaging.

viber out

Viber launches 'Viber Out' low-cost phone calls: How do rates compare to Skype?

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.

Gogo adds voice calls, texting support to in-flight service

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.

Revamped Skype app for Android tablets oozes Windows-esque style

Skype's Android app has received a much-needed overhaul, adding a new look and greatly improved video call quality.

TextNow taps VoIP for $19 monthly smartphone plans

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.