Integrated Services Digital Network (ISDN); Meet-Me Conference (MMC) supplementary service; service description; English version ETS 300164:1992
Edition 1993-09

Integrated Services Digital Network (ISDN); Meet-Me Conference (MMC) supplementary service; functional capabilities and information flows; English version ETS 300165:1993
Edition 1994-01

Private Integrated Services Network (PISN) - Profile Standard for the connection of Radio Paging Equipment (RPE) to a PISN; English version ETS 300739:1996
Edition 1997-11

Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
Edition 1992-12

Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; service description; English version ETS 300183:1992
Edition 1993-09

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

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

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); advice of charge: charging information at call set-up time (AOC-S) supplementary service; service description; English version ETS 300178:1992
Edition 1993-09

Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; serving description; english version ETS 300128:1992
Edition 1992-12