GamePhone - Free voice calls and text chat for Game Center

GamePhone gives you free voice calls and text chat with your Game Center friends! Works on iPod touch, iPad, and iPhone* to call and chat with your friends for free, anywhere in the world. There are no limits for minutes, and no fees for calls. Turn your iPad or iPod touch into a phone! * iPad and iPod touch work as a speaker phone unless you have a headset & microphone attached. * When using a 3G or Edge cellular connection, only text chat is supported. * Requires Game Center (iPhone & iPod touch with iOS 4.1 and higher; iPad with iOS 4.2 and higher.) * Upgrade within the app for up to 4 person conference calls too!