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dual-tone multifrequency signaling meaning in English

双音多频信号

Related Words

  1. multifrequency signaling
  2. dark tone
  3. answer tone
  4. gold toning
  5. signal tone
  6. tones legs
  7. voice tone
  8. burst tone
  9. my tones
  10. reorder tone
  11. dual-tone dialing
  12. dual-tone multifrequency
  13. dual-tone multifrequency system
  14. dual-tone multifrequency system (dtmf)
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