I have the BB Curve 8320 on T-Mobile, while installing AIM 2.1.3.7, when i sign on, i see my entire buddy list, but they don't see me on theirs, and if i were to IM them on AIM, they can not respond back. and if they do, it'll show up as a SMS text direct to my phone. Please help. I'm running on BB 4.5.0 System Software