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двухтональный многочастотный набор (klabukov) | |||
сигнализация на двух группах частот | |||
Angielski tezaurus | |||
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Dual Tone Multiple-Frequency (The signaling system used in telephones with touchtone keypads, in which each digit is associated with two specific frequencies) | |||
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DTMF |
Dual Tone Multiple Frequency : 1 do fraz, 1 tematyki |
Telefonia | 1 |