If you read this article, the guy's also had trouble with Onelink using p2p (including LW).
http://shakadatechy.blogspot.com/

This article also suggests the same thing. It's a bit older than the first one but still from 2006
http://www.dslreports.com/forum/rema...hia+bittorrent

Unfortunately, if your provider's using traffic shaping for p2p then there's not a whole lot that you can do You could try changing ports to one between 49152 - 65535. No guarantees though, it depends on if your ISP's monitoring all ports.
Often, people on an ISP's help desk don't even know that this technology's being used!
Read those articles & see what you think. You'll probably find more if you do a search with Google.