master socket which has an ADSL connection on the face plate. These connections are already filtered and therefore you do not need to add additional filters.Ensure that all telephone sockets have a filter attached, including any unused lines or phone lines connected to a TV set-top box (such as a Sky box). If you need additional filters then please go to our Broadband accessories shop.
The one exception to this rule is if you have a NTE2000 master socket which has an ADSL connection on the face plate. These connections are already filtered and therefore you do not need to add additional filters.
NTE2000 is a master socket which has an ADSL connection on the face plate. If your master socket is of NTE2000 type you do not need to add any additional filters:
See our Top Tips for the most common speed loss reasons within your home.