Forgot your phone? Need to make an important call? As long as you have WiFi nearby, you can use a program called Talkatone to make free phone calls using Google Voice. How do you get started?
1. Go out and setup a Google Voice number (it's free)
2. Download Talkatone from the App store (also free)
3. Start making phone calls from your Ipad (speaker is at the bottom, mic is at the top).