Broadband/Phone problems?

I wonder how many other people have been experiencing broadband and telephone problems in this area. A number of people I know have, so now I am very suspicious that there is a really big BT line problem in the area that we have not been informed about. After a totally trouble free period for many years about January 3rd my broadband started to drop out intermittently and inconsistently- many times it was when I had an incoming or outgoing phone call- but not always. I have now spent HOURS with computer experts and my Broadband supplier, had my internal telephone wiring and filters checked out and the main socket moved and the wireless box hardwired etc.etc. and STILL there is a problem.
If we do find out that a large number of us are being affected in the same way then we can at least make case to BT. Many of us have spent a lot of money trying to solve the problems with computer and telpephone engineers. If it turns out that a lot of us have been affected by unnannounced work I will certainly want to take this up with BT. So please let me know if you are affected.