Wirelessly posted (BlackBerry8300/4.2.2 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/133)

I honestly doubt that they would make it work with the BIS as most companies off a complete unlimited bis account for a flat rate. Apple has the same thing, all data included! And as for giving ur iphone a bb pin, I doubt it. But hey! I haven't had an iphone yet, well see what happens