Jailbreak-only app PhoneIt-Ipad brings 3G calling and texting to the iPad--just be sure to wear headphones.
From PCWorld:
From PCWorld:
Remember when the iPad was announced, and how how people joked that it was just an oversized iPhone? Now, thanks to a new app, it kinda is. PhoneIt-iPad is a jailbreak-only iPad app that brings both texting and voice calling to Apple's tablet--all using the 3G cellular data network.Hack Brings 3G Voice Calls to the iPad
Created by the iPhoneIslam team, who are known for their FaceTime 3G app, this latest hack will see any jailbroken 3G-equipped iPad turned into a fully-functioning phone.