Special Information Tones

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1 total messages Started by lauren Thu, 17 Oct 1985 07:42

#62

Author: lauren
Date: Thu, 17 Oct 1985 07:42

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I hate to contradict someone at an AT&T site, but the SIT's are
NOT MF (blue box) tones.  They are a bunch of odd frequencies
that are unrelated to both MF and DTMF (touch tone).  I remember
noticing that they were a set of really "strange" frequencies
when I read the original BSTJ article regarding them.

--Lauren--

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