Speedtest results are
Download speedachieved during the test was - 5006 Kbps
For your connection, the acceptable range of speeds is 600-7150 Kbps.
Your DSL Connection Rate :7552 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 6500 Kbps
The profile has been lowered recently by BT and they tell me the engineers will sort it
I do have the BT box outside as in your picture.
I cant upload a phote right now but the box has no lines in it and just a socket.
My phone is plugged into a different socket and has a filter on.
In the living room I have just the router plugged into a filter and then the socket.