It all depends on the exact feature you have. Some of them are just internet and some of them include messaging. Without knowing your exact feature there is no way anyone on here will be able to answer that correctly. You can go to www.wireless.att.com and register your number there and see everything about your account and let us know what feature it is or you can call 1-800-331-0500 or 611 from your cell phone and have customer service explain it to you