GROOVE IP
This app, in conjunction with Google Voice, lets you make unlimited calls to any phone in US or Canada using the data connection of your tablet. Once you get a free public phone number from Google Voice, you can use this app to make or receive calls to/from anyone in the world.
https://market.android.com/details?id=com.gvoip
This app, in conjunction with Google Voice, lets you make unlimited calls to any phone in US or Canada using the data connection of your tablet. Once you get a free public phone number from Google Voice, you can use this app to make or receive calls to/from anyone in the world.
https://market.android.com/details?id=com.gvoip