In article m,
wrote:
It's common practice in England to ring a telephone by signaling extra
voltage across one side of the two wire circuit and ground (earth in
England).
No it's not - and hasn't been for many many years. Such devices were known
as party lines.
--
*Also too, never, ever use repetitive redundancies *
Dave Plowman
London SW
To e-mail, change noise into sound.