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What are the frequencies produced by the buttons on a phone? Never mind I found it usling wikipedia. Man, that is the best thing since TiVo. https://en.wikipedia.org/wiki/DTMF Richard
Candor - Intelligence - Good Will
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Having a zero reply out there looked like we were not capable, so this is a null void response to change the numbering landscape of the post is simply a consideration of incremental numerical indexing that changes a void integer to a single digit integer.
THE Bracha, old blond specialist in Rube Goldberg solutions.
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What are the frequencies produced by the buttons on a phone? Found this on the net, is this what your looking for? ******1209Hz*****1336Hz****1477Hz****1633Hz 697Hz ***1*********2*********3********A 770Hz ***4*********5*********6********B 852Hz ***7*********8*********9********C 941Hz ---*---------0---------#--------D you can see the chart and additional info here: https://www.commlinx.com.au/DTMF_frequencies.htm
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Dual Tone Multi Frequency
I don't see enough numbers there but it may be my eyesight since I am getting so OLD. (grin)
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bf6b5yr, that explained it pretty good. That was the thing I hadn't seen yet in this post, the fact that it isn't one frequency, but a combination of frequencies. That's why it's called "dual tone". At least I hadn't seen it before, the diagram shows it, if you understand the diagram.
Retired phone dude
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