decoding touch-tones?

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From: eric.h.baller
Date: Tue, 10 Jul 1990 21:55

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Has anyone decoded touch-tones off a phone line?
Modems can generate them, but I haven't seen any that can read them.

I know there are things like the Complete Answering Machine
around for $300, but has anyone hacked up (or bought)
something better (cheaper, mostly).
All it needs to do is tell me which key they hit.

Any pointers MUCH appreciated,

Eric Baller
AT&T Bell Laboratories (supply net access, not opinions) [this isn't for at&t]
(201) 949-4285 (soon to be area code 908)
ehb@erebus.att.com

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Message-ID: <1990Jul10.215557.22256@cbnewsi.att.com>

Path: arc1-ca.pugleaf.net!utzoo!utgpu!watserv1!watmath!att!cbnewsi!baller

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!watserv1!watmath!att!cbnewsi!baller
From: baller@cbnewsi.att.com (eric.h.baller)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: decoding touch-tones?
Summary: pc card?
Message-ID: <1990Jul10.215557.22256@cbnewsi.att.com>
Date: 10 Jul 90 21:55:57 GMT
Sender: ehb@erebus.att.com
Distribution: na
Organization: AT&T Bell Laboratories
Lines: 14