This topic isn't finished.

There's a good roaring bonfire in these RIMROAD threads:
BYOA (Bring Your Own Access) -- Blackberry on cellphone networks without Blackberry, Page 2
BYOA (Bring Your Own Access) -- Blackberry on cellphone networks without Blackberry, Page 3

I will copy any possibly interesting information into this thread. I am tempted to invite these forum members over here to continue the interesting debate about this subject, but we don't want to scare new users away with a damburst of technical information, when BlackberryClub is already starting to be a firehose of information flow!