Dual-tone multi-frequency signaling

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telecommunication signaling system

Eksteraj rimedoj

identigilo de Freebase	/m/02c8p^[1]
numero en Microsoft Academic	21277212
identigilo de Encyclopædia Britannica Online	technology/dual-tone-multifrequency nomita kiel: dual-tone multifrequency

sistemo

plene ordinara telefon-servo

switching technology

Dual-tone multi-frequency signaling