How to use a BlackBerry without charges from RIM

Interesting article from Shaun at PDA-247 on how he uses his BlackBerry without any help (or charges) from RIM:

“I use my iPhone 3G as my work phone, but it has sadly developed a fault and will not connect to any mobile network. My Bold 9700 is used on my personal SIM card for email collection, web browsing etc. and so I was left with a decision to make. I needed a phone quick and so I decided to put my work SIM in the BlackBerry and manage as best I could without BIS (BlackBerry Internet Service). Little did I know that within an hour I would not be using BIS at all and would still have mobile browsing, push email and almost everything else I needed on the same phone. Here is how I did it…“