"ARW" wrote in message
...
Peter Parry wrote:
On Sun, 17 Feb 2013 10:50:36 +0000, wrote:


Doesn't a mildly intelligent criminal (if there are any) simply
short the two wires of the phone line, then it's permanently 'on
hook' rather than broken.

It's much simpler than that, you can disable an auto dialler without
any tools and without disturbing any wiring and leaving no trace that
you have tampered with its action in less time than it takes to dial
out.

It not difficult to disable most bell boxes.

But trivial to ensure that they cant be quickly disabled.