Justin, apparently you need the filters to filter out the high frequency noise you'd get from your internet connection if you didn't have them. So I was told by BT anyway. Once they're plugged in, you can just forget them. Cheers, Sandra. ** To leave the list, send a message to:- ** access-uk-request@xxxxxxxxxxxxx ** and in the Subject line type ** unsubscribe ** For other list commands such as vacation mode, send a message, to ** access-uk-request@xxxxxxxxxxxxx with the Subject:- faq