Satellite Earth Stations and Systems (SES) - Network Control Facilities (NCFs) for Land Mobile Earth Stations (LMESs) operating in the 1,5/1,6 GHz bands providing voice and/or data communications; English version ETS 300424:1995
Edition 1996-02

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

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); Multiple Subscriber Number (MSN) supplementary service; functional capabilities and information flows; english version ETS 300051:1991
Edition 1992-09

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); accessibility for 64 kbit/s circuit switched international end-to-end ISDN traffic relations; English version ETS 300251:1993
Edition 1994-04

European digital cellular telecommunications system (Phase 2) - Operator determined barring; English version ETS 300513:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - Discontinuous Reception (DRX) in the GSM system; English version ETS 300531:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system; English version ETS 300532:1994
Edition 1995-01