On Tue, Jul 21, 2015 at 08:02:05AM -0700, Chris Trask wrote:
> I brought this subject up some time ago, and I hadn't given it any
> further thought until just this week. The issue is the suspicion that
> telemerketers are using some method where they can listen to your telephone
> even when it is hung up. I was reminded of this while watching a movie "The
> Conversation" where a surveillance expert demonstrates a device for doing
> just that.
>
> About a week ago, I came home and closed the front door firmly,
> immediately after which the telephone rang with a telemarketer on the other
> end. A couple of days later I was sorting out some bicycle parts near the
> phone, and immediately after I dropped a part into a can, making a loud
> noise, the telephone rang with a telemarketer at the other end.
>
> I'm a firm believer in Gibbs Rule #39, which says that there is no such
> thing as a coincidence. I've had too many instances where the telephone
> rings immediately after maing a loud noise, such as closing a door or making
> some other form of loud noise. This practice of eavesdropping on your phone
> while it is hung up to detect if someone is home has got to be grossly
> illegal.
>
>
> Chris
Chris,
the design of the older phone is such that the microphone/earpiece is
disconnected from the line when the receiver is on-hook.
With the cordless, all bets are off :)
davidt
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