Phoneline dead - Broadband works fine

[#1]

I have logged a question (Question #93817248) through the support portal but as of yet no response.
Our phone line is somehow making our handsets believe that there is a constant incoming call, if we answer any handset we get the most horrendous and loud pulsing noise through the handset. I have tried disconnecting all devices and filters and connecting a single handset to the Master socket but no change. Bizarrely the broadband is completely unaffected and performs normally.
Please advise?
Thanks,
Chris.

[#2]

Hi, i also have dead phone line, I live in south west london, do you also?  In my case I am told its a faulty cable and roads will have to dug up, no line between 12 October and at least 18 November - the due to be fixed date

[#3]

Hi chickc78
I've raised your phone fault and sent you an sms message!
Let us know if you need anything else.

[#4]

All sorted
Openreach engineer replaced some failed equipment in the cabinet.

[#5]

Thanks for getting back to us chickc78. Glad to hear it's all been resolved now