There's a couple of suggestions been made so far that you ought to do before you do a lot more.
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Edit - I see you have posted since that your router isn't in the list. Please look in its screens to see if you can find the Connection Speeds, Noise Margin and Attenuation. Those should show up somewhere and are the most important line stats.
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One is easy - see if you can get and post your line stats, as per the link BatBoy gave, without altering anything.
Second, if your master socket is the kind where the bottom half of the faceplate comes of, as in
this pic, the socket at the back on the wall is the
Test socket. You should then carefully open it up, (the BT Phone Book tells you to do this if you think you have a phone fault, before calling them out), plug the filter into the test socket, (which is what camieabz meant by the back of the socket), and take the stats again.
Those two sets of figures will tell us roughly what your speed could be, and possibly indicate an easy mod to make that could give a much bigger improvement than anything else you could do by messing around with cables.
Can you also run the
BT Speed Test, (without bothering with all the "red" things to do first - just click the Yes I've done those button), and copy/paste the full contents of the two
Results boxes. Don't use the
Beta version - we need the diagnostic one.
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost.
Internet connection - Plusnet Value Fibre.
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
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Edited by RobertoS (Thu 07-Jun-12 18:50:58)