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

Standard published on 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)

Standard published on 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

Standard published on 15.6.1994

Terminal Equipment (TE); International Videotex interworking

Standard published on 31.12.1991

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

Standard published on 31.12.1991

Terminal Equipment (TE); International Videotex interworking between gateways

Standard published on 31.12.1991

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

Standard published on 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

Standard published on 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

Standard published on 27.8.1992

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

Standard published on 27.8.1992