Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!gem.mps.ohio-state.edu!apple!sun-barr!texsun!texbell!vector!telecom-gateway From: rce10845@uxa.cso.uiuc.edu (Robert C Elliott) Newsgroups: comp.dcom.telecom Subject: Re: Wrong Numbers With Nobody Talking Message-ID:Date: 22 Sep 89 23:21:25 GMT Sender: news@vector.Dallas.TX.US Reply-To: rce10845@uxa.cso.uiuc.edu (Robert C Elliott) Organization: University of Illinois at Urbana-Champaign Lines: 9 Approved: telecom-request@vector.dallas.tx.us X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@vector.dallas.tx.us X-TELECOM-Digest: volume 9, issue 397, message 4 of 7 That is probably a modem calling you. The clicking sound is from the modem trying to determine if the phone is ringing, voice answer, or another modem. Only an answering modem puts out a tone right away; the originating modem responds only when it hears that tone. That's why you don't hear any modem tones. Rob Elliott: rce10845@uxa.cso.uiuc.edu (summer: rob@embossed.com)