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From: ben@hpcvlx.cv.hp.com (Benjamin Ellsworth)
Newsgroups: comp.dcom.telecom
Subject: Re: Touch-Tone Dial Layout History
Message-ID: <12957@accuvax.nwu.edu>
Date: 2 Oct 90 17:40:42 GMT
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X-Telecom-Digest: Volume 10, Issue 706, Message 8 of 13


> 	There were five basic designs tested, having the following
> test results:

It is interesting to note that the adding machine keypad layout was
not tested.  Perhaps NIH on the part of AT-n-T?


Benjamin Ellsworth                                       ben@cv.hp.com
                     All relevant disclaimers apply.