Very interesting read my girlfriend has exactly the same problem as the thread here:
http://extremetechsupport.com/threads/13610-Bt-home-hub-woes
I have spent hours trying to find an answer to this, I have never had a home hub so was reluctant to start messing with the settings, I have a spare router, a netgear is there a page of all the settings that I can copy over onto it? sorry to the original poster for cutting accros you