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- From: kenny@osf.org (Kenneth Crudup)
- Newsgroups: comp.dcom.telecom
- Subject: Re: Ring Suppression
- Message-ID: <telecom12.631.4@eecs.nwu.edu>
- Date: 14 Aug 92 20:17:32 GMT
- Sender: Telecom@eecs.nwu.edu
- Organization: Open Software Foundation
- Lines: 34
- Approved: Telecom@eecs.nwu.edu
- X-Submissions-To: telecom@eecs.nwu.edu
- X-Administrivia-To: telecom-request@eecs.nwu.edu
- X-Telecom-Digest: Volume 12, Issue 631, Message 4 of 13
-
- In article <telecom12.620.10@eecs.nwu.edu> jacksch@insom.eastern.com
- (Eric Jacksch) writes:
-
- > Does anyone know a simple way to stop the ring signal from getting to
- > the telephone without interfering with normal use?
-
- Well, this won't help you, but it does remind me of a story. (You
- might wanna use this method if you want to eliminate ringing *and*
- service :-).
-
- Back when I was a kid, I knew a little about electronics, in the
- "little knowledge" == "dangerous thing" sense. The telephone was the
- most fascinating electronic device of my poor childhood, so it was the
- source of a lot of experimentation. I had the idea of attaching a neon
- lamp to the ring and tip of the house phone, sans current limiting
- resistor, ( ...a little knowledge ... ), so that incoming calls would
- make it light. I had a couple of people call me to try out my new
- device, but they never seemed to call back, despite their reports to
- the contrary that they did. They also wanted to know why I kept
- hanging up on them.
-
- Turns out that the ring voltage would make the neon ionize to the
- point of conduction, and that was evidently enough time to make
- whatever Indiana BT switch that was serving Miller (a suburb of Gary)
- IN realize "off hook". Since the ringing voltage then ceased, the neon
- went back to open ciruit, the switch registered "on hook", and the
- line was again free. Because of the short period of the
- neon/IBT-switch "circuit", the mechanical bell clapper of our phones
- never had a chance to overcome inertia.
-
-
- Kenneth R. Crudup, Contractor, OSF DCE QA
- OSF, 11 Cambridge Center, Cambridge, MA 02142 +1 617 621 7306
- kenny@osf.osf.org OSF has nothing to do with this post.
-