Summary: Learn how to add a telephone extension, install the first extension socket, install multiple extension sockets, run an extension sockets via a joint box, and troubleshoot a faulty connection.
Providing that you have a master phone socket fitted by a service provider, you can connect multiple phone points around the house to the
master socket with a kit found in most DIY stores, electrical suppliers or phone retailers. If your master socket is old, you may need to have it replaced with a newer version that will accept the new plugs.