Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!bellcore!texbell!vector!telecom-gateway From: klb@lzaz.att.com (K.BLATTER) Newsgroups: comp.dcom.telecom Subject: Re: Charges for busy signal when using modem? Message-ID: Date: 8 May 89 17:08:25 GMT Sender: news@vector.Dallas.TX.US Organization: AT&T ISL Lincroft NJ USA Lines: 19 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 158, message 8 of 8 > Phantom talked with me about charging for busy signals when using modem. > He told me that: If voice-to-voice, they will not charge > busy signals; If modem-to-modem, they will charge busy signals. > > Since the calling modem is silent until the answering modem > sends its pilot tones, how could the phone company know > whether a busy signal was an attempted modem or voice > connection? The long distance company can't tell (nor should they care!) whether the call was dialed by a modem or by voice (it's identical). The caller was probably using some low-budget long distance company which charges for calls that aren't completed. Kevin Blatter AT&T - Bell Labs Disclaimer: My employer never told me what it thinks, why should it care what I think?