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