It’s always been hard to explain what Google Voice is because it feels like a VoIP service, but it’s not. Google Voice has operated as a phonecall relay system all these years, forwarding your calls through another number. Earlier this year, Google started beta testing Wi-Fi calls in Google Voice, and it looks like the feature is rolling out to more users.
As with all VoIP platforms, Wi-Fi calls in Google Voice let you place calls over the internet without using your carrier’s cellular phone call system. Read MoreGoogle Voice Wi-Fi calls rolling out to more people was written by the awesome team at Android Police.