I use a broadband service from adsl24.co.uk and I've had a bad internet connection with cut-outs every day (at different times of the day) for well over 15 months and experienced a lot of intermittent noise on my BT phone line.
Last year I reported a noise fault on my phone line and BT sent engineers out to :
1) replace the phone cable from my house to the telephone pole outside.
2) replace the phone socket in my house with a BT v1.0 phone socket cover with a filter built into it. Please note that I only have 1 socket installed in my house.
I wasn't charged for those replacements, but it did not completely resolve the problem and since then my connection has become slower and more disrupted.
My IP profile for downstream connection used to be around 4500 Kbps, but it has dropped gradually to just 250 Kbps.
I have tested different parts of my own equipment within my setup at home :
a) 4 different modem routers (3 of which are Netgear DG834G, DG834GT, DGN1000)
b) 3 different corded phones and 1 cordless phone
c) about 10 different filters (4 of which are brand-new BT filters and also the BT v1.0 phone socket cover with a filter built into it)
d) 2 laptops and 1 desktop computer
Using different pieces of my equipment did not isolate the problem, so I am assuming that there is nothing wrong with my equipment.
If I just plug a corded phone into the test socket, there is no noise on 99% of BT quiet line tests.
But once I plug a filter into the test socket and attach a corded phone and modem router to the filter, I can often detect hissing and crackling on the phone line during a BT quiet line test; the noise on the phone line can be so great that I cannot have a telephone conversation unless I take out the filter and plug my corded phone into the test socket.
It doesn't matter how many filters I test or which filter I use, the problem still remains.
I've used a program called "RouterStats" and kept screenshots of line graphs to show when the noise margin has repeatedly sunk to 0 decibels and lead to no internet connection. Cut-out rates vary from 3 minutes apart to 30 minutes apart.
My internet service provider (adsl24.co.uk) cannot explain why there is more noise on the phone line when any filter is used (with a phone and modem router connected) than when a phone is plugged directly into the test socket. My ISP also said that BT will not perform a "lift and shift" at their exchange until they have sent another engineer out to investigate the problem again. However, I am reluctant to call out another BT engineer because the noise on the line is intermittent. The engineer could arrive and detect no noise on the line and then 20 minutes after they are gone the noise could occur again; I would be charged approximately £160 and the problem would not be solved.
I'm not really getting much satisfaction from either BT or my ISP and this problem has been going on for far too long.
Can you please help me with this problem and advise me of the next step(s) that I must take?
Thank you.
Paul
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