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From: lever!ee@uunet.uu.net (Edward Elhauge)
Newsgroups: comp.dcom.telecom
Subject: Re: Distinctive Ringing Fax/Phone Switch
Message-ID: <14459@accuvax.nwu.edu>
Date: 8 Nov 90 08:49:24 GMT
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 From article <14425@accuvax.nwu.edu>, by inesc!jmc%eniac@relay.eu.net
(Miguel Casteleiro):

>> I recently purchased a fax/phone/modem switch that claims to do just

> Can someone please explain how do this devices work?  Do they answer

I bought a model called the Eliminator TF 300 at Office Club a couple
of weeks ago. The instructions say that it looks for "audible beep
tones called CNG (CalliNG) signals from the remote fax.

After a brief timeout is seems to switch to the voice circuits where
my modem is stimulated by Eliminator produced rings. It mostly works
OK.

Every so often I'll get someone out there sending me a fax with a
modem that doesn't produce this signal and the fax gets connected to
the modem. 


      Edward Elhauge      |    {hoptoad,uunet}!\
     Lever Industries     |        lever!ee     
       San Francisco      |                     
    Voice 415-550-6789    |      ee@lever.com