change att plan for iphone?

[T-ulk]

i am currently att customer with 19.99 medianet plan and also get business discount. my question is if i buy an unlocked iphone off ebay, do i have to change my plan or do i have to let att no that i use iphone? i dont want to change plan becuase my company does not offer discount for iphone...

 

[mclark2112]

I'm with you, would like to pick up an iphone, but want to keep my plan...