Google has been dabbling in the realm of Internet-based calling for years. First it was Gmail, then Hangouts got in on the action. While there were ways (and even third-party products) to use the Google Voice service for VoIP, it was probably the least enjoyable calling experience we've seen that didn't involve MacGyver-style shorting of exposed wires to dial a number. Now an update to the Google Voice app reveals that it's finally going to make its VoIP capabilities an official feature, and it'll be usable directly from your phone without any hacky workarounds.Read More
[Update: Official changelog] Google Voice v5.7 prepares to enable VoIP directly within the app [APK Teardown] was written by the awesome team at Android Police.