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RE: Silent Phones
- To: <ukha_d@xxxxxxx>
- Subject: RE: Silent Phones
- From: "Keith Doxey" <keith.doxey@xxxxxxx>
- Date: Thu, 12 Oct 2000 11:56:10 +0100
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
Sound like it leaves the line alone when idle. When the first glimmers of
ringing are detected it operates a relay and disconnects the line. Hoping
that the relay can disconnect the line quicker than the ringer can start to
chirp/warble/clang/bleep etc.
Bell phones would almost certainly "ting" and many cordless would
spark into
life as they have mains powered ring detect circuits unlike an electronic
phone which relies on the actual ringing current to drive the ringer/tone
caller.
Keith
> -----Original Message-----
> I don't know the exact mechanism the box uses to supress the
> first 2 rings,
> but It has been stated by Rich Helmke that "some phones may emit
a very
> short ring as the first ring is being detected."
>
>
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