Billion and be - in need of serious help

Sorry if this is in the wrong place. We have just got be broadband and want use our billion 7800 router with it but we have no idea hat settings to change to get it to wotk -does anybody have any idea, maybe even a set up guide???

http://beusergroup.co.uk/technotes/index.php?title=B...

There's a BE forum here http://forums.thinkbroadband.com/beunlimited.html