Integrated Services Digital Network (ISDN); Connected Line Identification Presentation (COLP) and Connected Line Identification Restriction (COLR) supplementary services; functional capabilities and information flows; english version ETS 300096:1992
Edition 1992-11

Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; functional capabilities and information flows; english version ETS 300129:1992
Edition 1992-11

Integrated Services Digital Network (ISDN); three-party (3PTY) supplementary service; functional capabilities and information flows; English version ETS 300187:1993
Edition 1994-01

Integrated Services Digital Network (ISDN); Teletex end-to-end protocol over the ISDN; English version ETS 300081:1993
Edition 1994-01

Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired; English version ETS 300488:1996
Edition 1996-08

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Location handling services; service description; English version ETS 300691:1996
Edition 1996-12

Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; service description; english version ETS 300056:1991
Edition 1992-09

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); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
Edition 1992-12

Network Aspects (NA) - Support of existing services with guaranteed constant bit rate and specified transfer delay on Metropolitan Area Network (MAN); English version ETS 300278:1994
Edition 1994-10