Last Updated
：2025/12/08
dual tone multi-frequency
Noun
uncountable
Japanese Meaning
電話のタッチトーン方式、つまり、押したキーごとに2種類の音（デュアルトーン）が同時に発生し、その組み合わせで番号を伝達する方式。
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Synonym of touch-tone dialing
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dual tone multi-frequency
The company updated its phone system to support dual tone multi-frequency for faster call routing.
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The company updated its phone system to support dual tone multi-frequency for faster call routing.
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