Aerospace; classification of special workshop facilities; process group G: inspection
Edition 1989-11

Terminal Equipment (TE); videotex; audio syntax; english version ETS 300149:1992
Edition 1992-11

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) - Audio characteristics of terminals designed to support conference services in the ISDN; English version ETS 300807:1997
Edition 1998-07

Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994
Edition 1994-11

Integrated Services Digital Network (ISDN) - Autographic conference teleservice - Service description; English version ETS 300675:1996
Edition 1997-11

Integrated Services Digital Network (ISDN) - Audiovisual services - Videotelephone systems and terminal equipment operating on one or two 64 kbit/s channels; English version ETS 300145:1996
Edition 1996-08

Terminal Equipment (TE) - Integrated Services Digital Network (ISDN) - Multipoint communications for audiovisual services; main functionalities and basic requirements for Multipoint Control Units (MCUs); English version ETS 300483:1996
Edition 1996-12

Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Service description; English version ETS 300264:1994
Edition 1994-11

Integrated Services Digital Network (ISDN) - Videoconference teleservice - Service description; English version ETS 300678:1996
Edition 1997-11