NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Pre-standard
I-ETS 300245-3
I-ETS 300245-3
Integrated Services Digital Network (ISDN) - Technical characteristics of telephony terminals - Part 3: Pulse Code Modulation (PCM) A-law, loudspeaking and handsfree telephony
Title (German)
Diensteintegrierendes Digitalnetz (ISDN) - Technische Charakteristiken von Fernsprechendgeräten - Teil 3: Pulscodemodulation (PCM) A-law, lautsprechende und Freisprechtelefonie