IS
BT/The Post Office had a load, the most famous being Dial a Disc
https://www.google.co.uk/amp/s/retroscoop.wordpress.com/2014/02/05/dial-a-disc/amp/
You could listen to the output of some local radio stations via phone line. One use of that was so you could listen in the phone then fins it on the dial
There seemed to be a lot of those phone services in the 80s. Perhaps just because the technology was fairly new and accessible.
BT/The Post Office had a load, the most famous being Dial a Disc
https://www.google.co.uk/amp/s/retroscoop.wordpress.com/2014/02/05/dial-a-disc/amp/
You could listen to the output of some local radio stations via phone line. One use of that was so you could listen in the phone then fins it on the dial
