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systém DTMF
comp., MS	äänitaajuusvalinta (Dual Tone Multiple-Frequency); DTMF (Dual Tone Multiple-Frequency)
Czech thesaurus
systém DTMF
comp., MS	DTMF (Dual Tone Multiple-Frequency)
systém DTMF Dual Tone Multiple-Frequency
abbr., comp., MS	Dual Tone Multiple-Frequency