Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!purdue!haven!decuac!netsys!vector!telecom-gateway From: rmadison@euler.berkeley.edu (Linc Madison) Newsgroups: comp.dcom.telecom Subject: Re: What Happens When a Phone Hangs Up? Message-ID: Date: 11 Oct 89 22:05:11 GMT Organization: University of California, Berkeley Lines: 6 Approved: telecom-request@vector.dallas.tx.us In a reply to the question about answering machines detecting hang-ups, someone mentioned the CO switch providing "reliable CPC." What is CPC? Linc Madison (If you think this question is of general interest, feel free to post it.)