Let's see if I can find it.
http://www.samsung.com/us/mobile/galaxy-tab/SGH-I957ZKAATT-features is not clear about this but you can go to the ATT store and see it.
I have an elderly lady friend who needs a home phone, email, occasional web surfing and streaming video (TV) - all-in-one portable device. Can a tablet do all that? Or do you have to add something like a VoIP adapter/phone?