Have a look at the thread below. Since you don't say exactly what fixes you've tried, maybe there's something there to help.
http://www.gnutellaforums.com/connec...tml#post298705
If nothing helps & you still can't connect, try to find out the brand & model of your router. Have a look underneath, if nothing's showing on top. Or ask Bell...if they provided it then they should be able to give you some info about it