As Andrew implied, I think it may be a TTB network problem.
If all the people with this are on TTB LLU, and none on BT Wholesale, then that will be it.
I doubt if it's your router, though whether or not it complies with the Openreach requirements, (somewhere a long way down in SIN 498), I haven't looked. Not my problem.
Edit - the cause could be just as you said earlier - an out-of-control digger. Or similar accident.
The indispensable man or woman passes from the scene, and what happens next is more or less the same thing as was happening before.
My broadband basic info/help site -
www.robertos.me.uk. Domains, site and mail hosting -
Tsohost.
Connection -
Plusnet UnLim Fibre (FTTC). Sync 57840/12740kbps @ 600m. -
BQM
Edited by RobertoS (Wed 15-Jul-15 22:04:15)