Webuser Forums: intermittent disconnection and slow speed

I am reaching desperation. Have been with Waitrose broadband for six months but for 95% of this speeds have only been 128kbps. Spent about 10 days at 2200kbps, but not recently. Waitrose tell me this is due to frequent disconnections. I have one BT point only. This has a microfilter in it (at the moment I am connected to the test socket at Waitrose's instruction). I have tried three different microfilters but it makes no difference. From the microfilter the wired router is connected with a short cable from one socket, and a splitter connects a corded and a cordless phone from the other. The computer is connected to the router via a Cat 5 ethernet cable. Sometimes when the ADSL light on the router is flashing, picking up a phone seems to make the broadband reconnect after some crackling on the line and the warbling of the router resynching. I am told that this sounds like a microfilter problem but have tried three different ones and it makes no difference. Can anyone help please?

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