Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!att!cbnews!knt
From: knt@cbnews.ATT.COM (kirk.n.trost)
Newsgroups: sci.electronics
Subject: Hang-up Pulse
Message-ID: <6794@cbnews.ATT.COM>
Date: 22 May 89 23:37:02 GMT
Reply-To: knt@cbnews.ATT.COM (kirk.n.trost)
Distribution: usa
Organization: AT&T Bell Laboratories
Lines: 9

Does anyone have a simple circuit to detect and signal (TTL)
the hang-up pulse that is generated when the other party
hangs up the phone on you.


Thanks,


Kirk ...