Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 2: Conformance test specification for interface IA and IB; English version ETS 300011-2:1998
Edition 1998-12

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for speech information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300083:1993
Edition 1993-11

Integrated Services Digital Network (ISDN) - Audiovisual services - Inband signalling procedures for audiovisual terminals using digital channels up to 2048 kbit/s; English version ETS 300143:1994
Edition 1994-12

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for 3,1 kHz audio information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300084:1993
Edition 1993-11

European digital cellular telecommunications system - Half rate speech - Part 1: Half rate speech processing functions; English version ETS 300581-1:1995
Edition 1996-07

Integrated Services Digital Network (ISDN) - Audiovisual services - Frame structure for a 64 kbit/s to 1920 kbit/s channel and associated syntax for inband signalling; English version ETS 300144:1996
Edition 1996-08

Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992
Edition 1993-04

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; english version ETS 300110:1992
Edition 1993-04

Integrated Services Digital Network (ISDN); telephony 3,1 kHz teleservice; service description; english version ETS 300111:1992
Edition 1993-04