Quote: "Could also be a phone plugged straight into the line without a filter."
I have a filter on the modem and all of the phones.
Quote: "toasty, are you on wifi and have a wireless phone? If so, they're interfering. Get yourself a phone on a different frequency, (like 1.8ghz or 5ghz) or try changing the channel to the lowest or highest on your wifi, as 2.4ghz phones in general use channel 6."
I will definitely have a look.
Quote: "Could try this,
http://www.freedownloadmanager.org/"
That's pretty much exactly what I'm looking for, thanks very much