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From: rosso@uunet.uu.net (Ross Oliver)
Newsgroups: comp.dcom.telecom
Subject: Re: Charges for busy signal when using modem?
Message-ID: <telecom-v09i0156m03@vector.dallas.tx.us>
Date: 3 May 89 02:52:23 GMT
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In article <telecom-v09i0137m03@vector.dallas.tx.us> 11TSTARK%GALLUA.BITNET@
cunyvm.cuny.edu (Timothy Stark) writes:
>
>   Last weekend, at RELAY server, Phantom talked with me about charging
>for busy signals when using modem. Phantom was hit by a high bill because
>of busy signals. 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?

Ross Oliver
Technical Support
The Santa Cruz Operation, Inc.