Path: utzoo!utgpu!watmath!clyde!att!osu-cis!killer!vector!nobody
From: grs@alobar.att.com
Newsgroups: comp.dcom.telecom
Subject: Re: DTMF vs. Touch-Tone
Message-ID: <telecom-v08i0208m03@vector.UUCP>
Date: 23 Dec 88 23:28:11 GMT
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X-Originally-From: harvard!alobar.att.com!grs (Gregg Siegfried)
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X-TELECOM-Digest: volume 8, issue 208, message 3

>As I recall, DTMF once designated the set of dual-tone
>frequencies used for in-band signaling on long distance trunks, which used
>a completely different set of tones than Touch Tone, and was always generated
>within the CO, not by any phone set (well, except for the "blue boxes").

Almost.
What you're thinking of are MF, or Multi-Frequency tones.  DTMF has always
referred to "Touch Tone" tones.  Definitely an honest mistake :-)

Gregg Siegfried
grs@alobar.att.com