Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for speech information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300083:1993
Edition 1993-11

Network Aspects (NA); Metropolitan Area Network (MAN); media access control layer and physical layer specification; English version ETS 300212:1992
Edition 1993-07

Integrated Services Digital Network (ISDN); Subaddressing (SUB) supplementary service; functional capabilities and information flows; english version ETS 300060:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for 3,1 kHz audio information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300084:1993
Edition 1993-11

Network Aspects (NA); Connectionless Broadband Data Service (CBDS); part 3: definition of supplementary services; English version ETS 300217-3:1992
Edition 1993-07

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

Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; functional capabilities and information flows; english version ETS 300054:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; service description; english version ETS 300062:1991
Edition 1992-09

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

Network Aspects (NA); Connectionless Broadband Data Service (CBDS); part 4: address screening supplementary service; English version ETS 300217-4:1992
Edition 1993-07