Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; functional capabilities and information flows; English version ETS 300184:1993 + Corrigendum September 1993
Edition 1994-04

Network aspects (NA) - Metropolitan Area Network (MAN) - Interconnection of MANs; English version ETS 300275:1994
Edition 1994-10

Satellite Earth Stations and systems (SES) - Land Mobile Earth Stations (LMESs) operating in the 1,5/1,6 GHz bands providing Low Bit Rate Data Communications (LBRDCs); English version ETS 300254:1994
Edition 1995-03

European digital cellular telecommunications system (Phase 2) - Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities; English version ETS 300583:1994
Edition 1995-03

Terminal Equipment (TE) - Videotex - Terminal Facility Identifier (TFI); English version ETS 300076:1994
Edition 1995-05

Integrated Services Digital Network (ISDN) - Call Deflection (CD) supplementary service - Service description; English version ETS 300202:1994
Edition 1995-05

European digital cellular telecommunications system (Phase 2) - Call Barring (CB) supplementary services - Stage 2; English version ETS 300548:1995
Edition 1995-09

European digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2; English version ETS 300544:1995
Edition 1995-09

Integrated Services Digital Network (ISDN) - Specification of the Remote Frame Handler Interface (RFHI); English version ETS 300458:1995
Edition 1996-04

Integrated Services Digital Network (ISDN) - Signalling system No. 7; Message Transfer Part (MTP) - Testspecification; English version ETS 300336:1996
Edition 1997-07