--- In [email protected], arthurnaylor2...@... wrote:
> 
> Not yet, the potential charges from BT mean that this has to be a last  
> resort.…

It still sounds to me like the problem is raw reliability of the connection 
between your modem and your local exchange. The symptoms generally sound like 
those experienced by a line that keeps dropping the connection - though I don't 
have direct experience of AOL or their error codes.

What you see on your PC (in terms of browsing web pages, or the error codes 
from failure) requires all of the individual legs of the connection to work - 
WiFi from PC to the modem; ADSL to the local exchange, BT's internal network to 
your ISP, AOL's network to the internet, and then the internet in general.

While the failure could be anywhere, it appears most likely to be the ADSL link 
between modem and the exchange - which puts the ball firmly in BT's court.

With the length of your line, I'd say you are in a marginal position at being 
able to get a decent, reliable connection between modem and local exchange. 
This page suggests that the max length is 5.5km!
http://www.skymarket.co.uk/internetaccess_denied.php

As you indicate that you *used* to have a reliable connection, this is an 
indication that something, somewhere has altered, to push you below the margin. 
Because you've probably got very little margin anyway, it could be something 
trivial, and not necessarily BT's or AOL's fault - perhaps even the fact that 
someone else has bought broadband, and his signal is interfering with yours.

The *simplest* option is to just call AOL, tell them the problem, and ask them 
to get BT out to look at your line.

This might not be the cheapest option though, as BT will charge you if it turns 
out that the problem is caused by your internal wiring. However, you've already 
said that you're plugged into the "back" test socket, which rules out problems 
on your side.

Here is what I'd do now:

1. Make sure you *really* are plugging the modem into the master socket.
Yes it sounds daft, but I've seen cases where people have discovered that what 
*looks* like the master isn't really, and tracing the cable backwards has 
located an earlier, disguised, socket.
It's true in our house, but at least I knew that was the case when they first 
installed ADSL.

2. Plug a wired phone (not cordless) into the back "test" socket, without your 
modem (or anything else) connected, and listen to your line.
Dial "1" to get rid of the dial tone while you are doing that.

If you need to listen longer, try dialling "17070" and pick option 2.

Can you hear any kind of interference, crackle,... anything at all?
If so, report this to BT as a line fault (is that 150 or 151?). Report it as a 
voice problem on your line, and don't mention broadband, ADSL, computers, or 
data at all! If you do mention those, it gives them an excuse to fob you off. 
If they ask about broadband, just say it's irrelevant as it isn't connected.

3. Connect the modem directly into the "back" test socket of the BT master 
socket, and go online.
Make sure there are no other phones plugged in of any kind (particularly 
cordless ones - they can interfere too).
Make sure there is no other wiring connected to the circuit either.

4. Use your PC to decide what kind of reliability you have (kinda subjective);
Test your download/upload speeds (but this will vary depending on how reliable 
the modem-exchange connection is)
Preferably login to the modem, and make a note of the line statistics.

5. If you have more than one filter available, you can retry the connection 
with different filters.

6. If you still appear to be having reliability problems, even with the 
simplest connection setup, then contact AOL, and ask them to ask BT to 
investigate a line problem.

They will probably have a list of tests and steps for you to take too, before 
actually agreeing.

I know PlusNet start doing some tests of their own before they call out BT. 
I've seen them use the "Whoosh" test to check a line (see that link above).

If BT can't find a problem, and hand you back to AOL, that's when you probably 
need to start the more arduous task of gathering those line statistics over 
time.

Note: With the length of line, and potentially being marginal, I guess there is 
always the risk that BT will declare that the line cannot support broadband, 
and turn you off.
I don't know how big a risk, but be aware.

Cheers,

   Mike

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