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Acronyms that contain the term dual-tone multi-frequency signaling
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What does dual-tone multi-frequency signaling mean?
- Dual-tone multi-frequency signaling
- Dual-tone multi-frequency signaling (DTMF) is a telecommunication signaling system using the voice-frequency band over telephone lines between telephone equipment and other communications devices and switching centers. DTMF was first developed in the Bell System in the United States, and became known under the trademark Touch-Tone for use in push-button telephones supplied to telephone customers, starting in 1963. DTMF is standardized as ITU-T Recommendation Q.23. It is also known in the UK as MF4. The Touch-Tone system using a telephone keypad gradually replaced the use of rotary dial and has become the industry standard for landline and mobile service. Other multi-frequency systems are used for internal signaling within the telephone network.
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"dual-tone multi-frequency signaling." Abbreviations.com. STANDS4 LLC, 2024. Web. 24 May 2024. <https://www.abbreviations.com/dual-tone%20multi-frequency%20signaling>.
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