Samsung Galaxy Tab, 7 inch WiFi and 3G tablet can also make/recieve calls unlocked all networ ?

I am selling my Samsung Galaxy Tab 7". 3G + WiFi Tablet Model. Google Android. This is the model that also has full phone functionality built in so you can make/receive calls, send text and video call directly from the tablet. (Model no GT-P000) The tablet is unlocked to all networks so any simcard works with it, has Google App Store Installed with 10000s of Free apps and pay to download. Bluetooth, GPS, and memory card slot. Front and back camera for video calling and skype. Tablet is in excellant condition and includes screen protector, charger and full box.