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From: ron@BRL.ARPA (Ron Natalie)
Newsgroups: mod.telecom
Subject: Re:  Telephone Ring Control
Message-ID: <8512160504.AA05633@ucbvax.berkeley.edu>
Date: Sun, 17-Nov-85 16:21:28 EST
Article-I.D.: ucbvax.8512160504.AA05633
Posted: Sun Nov 17 16:21:28 1985
Date-Received: Mon, 16-Dec-85 08:03:35 EST
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The only way I could think of a phone plugged in to an regular jack
disabling all the other phones from ringing would probably not be
looked on too favorably by TPC.  You just clamp down on voltages
over 50 Volts.  It would sync a bit of current.  I doubt they'd
go for it.

-Ron