Network management Toolkit 
Story: BT gadget may give broadband speed boost
Do it for free
I know this is an old article, but to be honest anyone but the least techincal savey can do this themselves, rather than crossing BT's plam with more sliver! Do a google for Bell Wire fix, or try these instructions I came across.... (after I bought an IPlate unfortunatley!)
http://broadband-speedup.blogspot.com/
Hopefully that'll save a few people some money!
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