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From: mikey@trsvax.UUCP
Newsgroups: net.ham-radio
Subject: Re: real meaning of DTMF and net.rec-rc
Message-ID: <52800035@trsvax.UUCP>
Date: Fri, 19-Oct-84 10:19:00 EDT
Article-I.D.: trsvax.52800035
Posted: Fri Oct 19 10:19:00 1984
Date-Received: Tue, 23-Oct-84 01:27:47 EDT
References: <973@hplabs.UUCP>
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Nf-ID: #R:hplabs:-97300:trsvax:52800035:000:637
Nf-From: trsvax!mikey    Oct 19 09:19:00 1984



DTMF, as a term, could apply to both the long distance trunk control codes
as well as your local Touch-Tone (tm) telephone.  But I seem to remember
seeing a document that called the long distance tones something else, and
relegated DTMF  to the generic term.  It was in a magazine called 
Telephone Electronics Line or TEL for short.  It was a shortlived
publication in the early 70's.  Probably had something to due with the
fact that they published an article comparing the "new" proposed 
digital control system to the DTMF control system, complete with
all frequencies, digital codes, and operator control codes.

mikey at trsvax