Hello Alan, At first reading, your reply only dismayed me with the depth of
my ignorance. However, now I think the content and what I have only so far
 skimmed on the website, may well lighten my darkness and suggest a
solution.  Thank you very much, I will let you know how I get on in due
course.

With best wishes, Jennifer

On 20 May 2015 at 12:17, Alan Smith <[email protected]> wrote:

> Hi Jennifer
>
> The Google suggestion doesn’t sound right to me for your phone and
> computer set up.
>
> Need to know more about your actual house cabling for phone and modem to
> offer particular suggestions.   Is there no noise from the cordless phone
> (with filter) but noise from the extension phones?  Do you have an ADSL 2+
> service?  Does the wall socket filter include a splitter function?  Is this
> the first entry point from street cable? Do you have filter/splitters on
> ALL of your wall sockets?   Early users of ADSL probably used individual
> filters that plugged into the phone sockets throughout the house .  Later
> on it was more usual to install the filter/splitter right at the street
> cable entry point so the phone and modem connections were split right at
> the source.  Only one device to go wrong!
>
> Look at the website for the manufacturer of the filters (c10
> Communications) for an explanation of types and connections:
> www.c10.com.au
>
> Filters do fail from time to time. Noise gradually gets worse.  If you
> have old filters for ADSL1 they probably were not manufactured for the
> higher speed ADSL2+.   I don't need filters on my service, but I used to
> have identical filter/splitters at all of my wall sockets, but just the
> socket nearest the computer actually used the modem outlet.
>
> Cheers
> Alan
>
>
> On 20 May 2015, at 11:28 am, Jennifer Lefroy <[email protected]>
> wrote:
>
> > We have a cordless phone base running from a wall mounted socket.  It
> has an ordinary in line filter.  There seems to be a suggestion on Google
> that a filter that actually clips over the wall plate might help in
> lessening the background noise which occurs on it, on the second handset
> and another standard phone extension connected to a phone extension
> socket.   Our router is connected to a different  outlet in another room.
> >
> > Has anyone had a success with this method, please?
> >
> > Regards,
> > Jennifer
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