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Text File  |  1992-11-17  |  778 b   |  19 lines

  1. Newsgroups: sci.electronics
  2. Path: sparky!uunet!stanford.edu!ames!riacs!news
  3. From: gt8741b@prism.gatech.edu (Chris Adams)
  4. Subject: Tone frequencies on telephone
  5. Message-ID: <1992Nov17.075719.23612@riacs.edu>
  6. Sender: news@riacs.edu
  7. Organization: Georgia Institute of Technology
  8. Date: Tue, 17 Nov 92 07:57:19 GMT
  9. Lines: 8
  10.  
  11. Can someone tell me what the frequencies of the buttons on a telephone generate
  12. and what the dial tone frequency is?  I am trying to build something, and I
  13. need to recognize a dial tone, and generate button presses.
  14. --
  15. Chris Adams                       | "If tin whistles are made of tin,
  16. Georgia Tech                      |  what do they make foghorns from?"
  17. Internet: gt8741b@prism.gatech.edu|       --  Lonnie Donegan
  18. ----------------------------------+ 
  19.