Originally Posted by Stijn
BIS = BlackBerry Internet Service, your BB data plan is directly through your cell provider
BES = Blackberry Enterprise Server, your BB data plan is through your company's exchange server
With BIS, you have to set up your mailbox(es) online, through your cell provider's pages at blackberry.com. With BES, your exchange administrator will set up your email accounts.
i dont have any Exchange server, so i gues that i have BIS (sorry im SO green)