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From: telecom@ucbvax.UUCP
Newsgroups: mod.telecom
Subject: Re:  TELECOM Digest V5 #64
Message-ID: <8511270341.AA16786@ecsvax>
Date: Tue, 26-Nov-85 22:41:14 EST
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Posted: Tue Nov 26 22:41:14 1985
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> Umm -- that's not always the case.  When I lived in Durham, for example
> (1972-1977), it most certainly was important.  (Durham is served by GTE.)  You
> could hear the DTMF->pulse conversion going on as you dialed -- go too fast
> and you'd confuse the switch.  This may, of course, have been an antiquted
> switch; they didn't install automatic number identification equipment until
> about 1974 or 1975, and then only under orders from the Utilities Commission.

  Well, I live in Durham now and I enjoy very much counting the clicks
while waiting for the conversion to catch up with my tone dialing.
If you listen carefully, you can still tell if you dialed the number
correctly by how many clicks you hear.