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From: dave@westmark.westmark.com (Dave Levenson)
Newsgroups: comp.dcom.telecom
Subject: Re: Telco "Customer Service" (Really DTMF to Pulse)
Message-ID: <14331@accuvax.nwu.edu>
Date: 4 Nov 90 23:05:52 GMT
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X-Telecom-Digest: Volume 10, Issue 790, Message 7 of 13


In article <14287@accuvax.nwu.edu>, hpubvwa!ssc!Tad.Cook@beaver.cs.
washington.edu writes:

> The telco was using a standard touchtone to dialpulse converter,
> probably Mitel or Teltone, between the linefinder and the first
> selector.

> Some of them will accept a * from the caller to disable the converter.

Many of them accept the # to disable the converter.  This is so common
that it is used to advantage in the MCCS (mechanized calling card
service) logo tone.  This tone (sometimes called the Bong tone) is
heard on 0+ calls and precedes the announcement that prompts for your
card number.  The first ten milliseconds of the BONG are actually a #
which then fades into something else, as one of its two component
tones decays.  The intent here is that the if the caller (or the
caller's telco) is using a tone-to-pulse converter, the converter will
be disabled when the caller enters the card number.


Dave Levenson			Internet: dave@westmark.com
Westmark, Inc.			UUCP: {uunet | rutgers | att}!westmark!dave
Warren, NJ, USA			AT&T Mail: !westmark!dave
[The Man in the Mooney]		Voice: 908 647 0900  Fax: 908 647 6857