JOHN POLLEY, of Pottery Cottages, Dartmouth, writes:

As you may remember, I wrote last year about our ­telephone problems. I received many replies from readers ­suffering from the same ­problem.

Following this, I wrote to the chief executive of BT. As a result, BT at last checked its exchange and discovered that all the faulty lines were connected to Concentrator 22 in the exchange. A new concentrator was installed and all seemed well.

Alas! Following the heavy rain late in July, the problem returned on August 1.

I wrote to the chief executive of BT again, and as a result an Openreach technician was instructed to resolve the ­problem with my line ­immediately.

He did this by disconnecting my line from Concentrator 22 and reconnecting it to Concentrator 8.

It now works perfectly, and my broadband no longer ­disconnects every 15 minutes.

Unfortunately this is of little help to the 100-plus subscribers still connected to Concentrator 22, and my supplier’s excellent troubleshooter cannot help customers of other service providers.

I suggest that they write to BT’s chief executive asking to be reconnected to another ­concentrator, as BT seems ­incapable of resolving the ­problem with the ill-fated 22.

The address is: Mr Gavin Patterson, Chief Executive, BT, 81 Newgate Street, London EC1A 7AJ; telephone 020 7356 4931; email [email protected].