From what I can see here your bt voyager 2000 is supposed to be able to utilise UPnP which means manual port forwarding should not be necessary. Are there any other devices you use on top of this one?

Do this simple port test instead for us. Using your browser go here: http://www3.limewire.com:6346/ The page should say 'Your test worked!'. What happens when you go there?

Double-check your McAfee settings.