NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN ETS 300190 [CURRENT] references following documents:

Document number Edition Title
ETS 300102-1 1990-12 Integrated Services Digital Network (ISDN); user-network interface layer 3; specifications for basic call control More 
ETS 300192 1992-12 Private Telecommunication Network (PTN); signalling protocol at the S-reference point; circuit mode basic services More 
ITU-T T.50 1992-09 International Reference Alphabet (IRA) (Formerly International Alphabet No. 5 or IA5) - Information technology - 7-bit coded character set for information interchange More