I originally reported a noisy line (crackle, crackle... really quite loud) to BT (my phone supplier, broadband is via Uno) last Friday and they ran the usual test and said that there did appear to be a line fault but it looked to be within our house. Odd as I was plugged into the test port at this point. So an engineer visit was booked for the next day.
Question... how can there be noise on the phone, yet tests say the line is fine (he plugged his equipment into the test port behind the master socket)???
My internet connection usually syncs at around 11.5Mbps. But currently its dropped back to 8 Mbps and the Routerstats plot for the noise margin looks a bit like the Himalayas, varying from 2 to 12db. It's usually a pretty straight line at around 5/6 db
Now I appreciate that as the fault is some what intermittent, that it's probably going to be difficult to trace. But we've lived here some 40 years and this very same thing tends to occur every few years. It's a rural property. Line from house goes to a pole in our grounds (replaced a couple of years ago when a tree fell on it) the line from the pole then goes underground for about 20 or so yards and there is then a buried waterproof joint that connects it to the main line that runs down the road parallel to our property.
Now I know these joints are "supposed" to be totally waterproof. But when this joint has been opened in the past (when we have had similar problems), it's had water/damp in it (hence causing the crackling noises etc.). One engineer in the past suggested that the short run of cable underground could have some damage to it (rodents, or just age) and that water was getting through the outer sheath and finally after long enough working its way to the joint. Could be BS I suppose, but that's what I was told once. Should point out that this underground cable has probably been there since Alexander Bell invented the telephone. I know my house was one of the first rural properties round here to get a telephone (spoke to the old house keeper once about it). Still got the original phone out in the garage somewhere, might even be worth something.
So.............. just wondering what to do now? Anyone got any suggestions?