NA 022
DKE Deutsche Kommission Elektrotechnik Elektronik Informationstechnik in DIN und VDE
Vornorm
I-ETS 300302-2
I-ETS 300302-2
Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Part 2: Electroacoustic characteristics for 3,1 kHz bandwidth loudspeaking and handsfree terminals
Titel (englisch)
Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Part 2: Electroacoustic characteristics for 3,1 kHz bandwidth loudspeaking and handsfree terminals