Integrated Services Digital Network (ISDN); Support of CCITT Recommendation X.21, X.21 bis and X.20 bis based Data Terminal Equipments (DTEs) by an ISDN Synchronous and asynchronous terminal adaptation functions

Norma vydaná dňa 31.12.1990

Integrated Services Digital Network (ISDN); Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access Layer 3 aspects (Candidate NET 3, Part 2)

Norma vydaná dňa 15.7.1991

Integrated Services Digital Network (ISDN); Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access Layer 3 aspects

Norma vydaná dňa 15.6.1994

Terminal Equipment (TE); International Videotex interworking

Norma vydaná dňa 31.12.1991

Terminal Equipment (TE); International Videotex interworking between a terminal and a host

Norma vydaná dňa 31.12.1991

Terminal Equipment (TE); International Videotex interworking between gateways

Norma vydaná dňa 31.12.1991

Integrated Services Digital Network (ISDN); Circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service category; Service description

Norma vydaná dňa 27.8.1992

Integrated Services Digital Network (ISDN); Circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; Service description

Norma vydaná dňa 27.8.1992

Integrated Services Digital Network (ISDN); Circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for 3,1 kHz audio information transfer; Service description

Norma vydaná dňa 27.8.1992

Integrated Services Digital Network (ISDN); Telephony 3,1 kHz teleservice; Service description

Norma vydaná dňa 27.8.1992