[progers]

Firstly, you need to have an "idc tool" that's the think you use to push the wires into the connectors, available from maplins and other electrical outlets for a few p.

Then, I suggest you pull off the wires from your bedroom socket having plugged a phone in downstairs then phone your number from a mobile to see if the phone rings OK. If it does you're OK, remove the socket but obviously leave the cable alone apart from the two wires that went to the bedroom socket as it probably feeds your other sockets.

If the phone doesn't ring, connect the bedroom socket back up again, then we need a plan b