What are DTMF settings?

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Tags

  1. #frequency
  2. #various
  3. #events
  4. #tones
  5. #including
  6. #rfc2833
  7. #signaling
  8. #standards
  9. #cases
  10. #touch
  11. #define
  12. #press
  13. #specific
  14. #subscriber
  15. #telephone
  16. #issues
  17. #setting
  18. #based
  19. #country
  20. #related
  21. #multi
  22. #preferred
  23. #signals