What does DTMF mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand DTMF in the Miscellaneous field in general and in the Unclassified terminology in particular.
Dual Tone Multi Frequency
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Definition
What does DTMF mean?
- Dual tone multi frequency
- 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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"DTMF." Abbreviations.com. STANDS4 LLC, 2024. Web. 30 Apr. 2024. <https://www.abbreviations.com/term/1561393>.
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