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| двухтональный многочастотный набор (klabukov) | |||
| сигнализация на двух группах частот | |||
| אנגלית אוצר מילים | |||
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| DTMF | |||
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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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Dual-Tone Multiple-Frequency : 1 צירופים, 1 נושאים |
| טלפוניה | 1 |