AT & T. when i do get an agent to help with my problem. all they do is try to sell me more of their shit. my text were not going thru. so AT & T told me i need to buy a business account for my all me text to go thru. so they sold me a laptop with a number i'm being charged for but not using... than they put my other existing number on another plan. so now i'm paying more for 2 seperate lines and a lap top number..and i can not get anyone in customer service to help... i'm so done ... I tried