Google Voice allows you to give out one number to reach all of the phone numbers you're using at a given time. The ability to schedule "quiet time," and organize contacts into caller groups really make Google Voice a handy service. However, making Wi-Fi or data calls is a feature that has yet to make it to the app. That's where Android apps like Talkatone, GrooVeIP, and Phone for Google Voice and GTalk come into play.
Using one of these apps will allow you to sign in with your Google Voice number/account and dial calls … Read more