Private Telecommunication Network (PTN); signalling protocol at the S-reference point; circuit mode basic services; English version ETS 300192:1992
Edition 1993-09

Aerospace series - LOTAR - Long Term Archiving and Retrieval of digital technical product documentation such as 3D, CAD and PDM data - Part 001: Structure; English version prEN 9300-001:2022
Edition 2022-08

Private Telecommunication Network (PTN); signalling protocol at the S-reference point; identification supplementary services; English version ETS 300191:1992
Edition 1993-09

European digital cellular telecommunications system (Phase 2) - Multi Party (MPTY) supplementary services - Stage 2; English version ETS 300545:1995
Edition 1995-09

Digital Video Broadcasting (DVB) - Network-independent protocols for DVB interactive service; English version ETS 300802:1997
Edition 1998-06

European digital cellular telecommunications system (phase 2) - Mobile radio interface signalling layer 3, general aspects; English version ETS 300556:1995
Edition 1995-08

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

Integrated Services Digital Network (ISDN) - Call Forwarding Unconditional (CFU) supplementary service - Functional capabilities and information flows; English version ETS 300204:1994
Edition 1995-06

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Test responder specification; English version ETS 300658:1996
Edition 1997-07

Integrated Services Digital Network (ISDN) - Audiovisual services - Frame structure for a 64 kbit/s to 1920 kbit/s channel and associated syntax for inband signalling; English version ETS 300144:1996
Edition 1996-08