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The phone line: clicking noise when others lines ring, hear router negotiation, slight hissing in the background, an older phone sounds a constant buzzing and a buzz, buzz, buzz.... pulsating?
The adsl: around 150000 ses errors at a 6db profile, 10000000-20000000 hec errors per night, snr can stay around 4.0db, its the RFI affecting the tones causing them to become negative, upstream hec may be 50 one night and another 15000.? Upstream errors jump when phone rings, eliminated internal rein. QLN becomes erratic at night very spikey, looks quite normal during the day apart from 198khz radio 4.

Best engineer to get broadband or telephony?

[Black Sheep]

The age old question ?

It all depends on the knowledge level of the engineer in attendance ?? However, from your description I would insist on a Broadband engineer and hopefully you can emulate the fault conditions to him when he arrives on-site. Most broadband engineer will have a level of network engineering skills, so should be able to cure what sounds like a 'High Resistance' fault on your circuit.
Conversely, network only engineers are just that, they only work up to the NTE and don't possess Broadband skills. Plus, they will just run a PQT test which may easily pass as OK dependant on the severity of the HR fault. Then they will listen on your landline with their 'Tapper' (Phone) and usually without the router plugged in. If they can't hear any audible noise, then they will leave and you may get a bill.

Of course, there's a lot of debate around this practice, but it has certainly halted the pedantic EU's chasing 0.0002 dB on their upstream SNR.  Alas, as always, there is the others who have to suffer a price.

But, it does smack of a decent HR fault you have, and as I say a BB engineer should have most, if not all, angles covered.

[boost]

Sling your HLOG and QLN up if you can

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http://forum.kitz.co.uk/index.php?topic=13555.0 QLN still exactly the same
As is Hlog

[burakkucat]

As said in your earlier thread, if the crackling and buzzing, etc, are constantly present and noticeable without any modem/router connected to the line then it should be reported to your telephony provider as an audibly noisy telephone line.

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But it only seems to do it with one certain phone? No crackling very very intermittent, constant hiss with router..

[burakkucat]

Let's start again, right from the beginning and get to the bottom of this -- once and for all.

• Go to the NTE5/A.
• Remove the lower front face-plate.
• Check that any other telephone sockets are non-operative.
• Plug a wired telephone into the "test" socket.
• Perform a QLT.
• If available, plug a different wired telephone into the "test" socket.
• Perform a QLT.

Without any reference to modem/router or broadband service, please answer the following question:

Is the line (audibly) noisy? 

[boost]

Post up a fresh HLOG, I don't see one in that thread from DSL stats?

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B*Cat there is still the audible clicking with others lines ringing, and a faint periodical buzzing with one phone, but which is more distinguishable with another phone.

[burakkucat]

Thank you for detailing that. 

Assuming it is reproducible, then you should report it to your telephony provider as an (audible) noisy telephone line.