Broadband Integrated Services Digital Network (B-ISDN) - Meta-signalling protocol - Part 1: Protocol specification; English version ETS 300486-1:1996
Edition 1997-07

Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
Edition 1997-10

Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; functional capabilities and information flows; english version ETS 300057:1992
Edition 1992-11

European digital cellular telecommunications system (Phase 2) - Procedure for call progress indications; English version ETS 300512:1996
Edition 1996-08

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

Integrated Services Digital Network (ISDN) - Facsimile group 4 class 1 on the ISDN - Functional specification of the equipment; English version ETS 300087:1994
Edition 1994-11

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

Business TeleCommunications (BTC) - Planning of loudness rating and echo values for private networks digitally connected to the public network; English version ETS 300283:1994
Edition 1994-09

Integrated Services Digital Network (ISDN) - Synchronization and Co-ordination Function (SCF) for the provision of the OSI Connection-mode Network Service (OSI CONS) in an ISDN environment - Specification of SCF (ITU-T Recommendation Q.923 (1995), modified); English version ETS 300660:1996
Edition 1997-04

Television systems - Enhanced 625-line PAL/SECAM television - Ghost Cancellation Reference (GCR) signals; English version ETS 300732:1997
Edition 1997-08