Sorry about that, I read somebody else's system details instead of yours (there were a couple of other posters in this thread). So ignore that AT&T info.
I've never heard of Telus blocking p2p. Did you ever try any any other port numbers? It would be worth your while to try, as it's an easy setting to change.

What security programs are you using? Have you updated or upgraded any programs since your LW used to work?