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 - Simplex high speed data transmission system; German and English version FprEN 3758:2022
Edition 2022-10

Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) and Calling Line Identification Restriction (CLIR) supplementary services; functional capabilities and information flows; english version ETS 300091:1992
Edition 1992-12

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connected Line Identification Presentation (COLP) supplementary service - Part 1: Protocol specification [ITU-T Recommendation Q.2951, clause 5 (1995), modified]; English version ETS 300665-1:1996
Edition 1997-09

Integrated Services Digital Network (ISDN); Connected Line Identification Restriction (COLR) supplementary service; service description; english version ETS 300095:1992
Edition 1993-02

Product and process requirements on the free postal market
Edition 2023-04

European digital cellular telecommunications system (phase 2) - Line identification supplementary services, stage 3; English version ETS 300565:1995
Edition 1995-08

Identification card systems - Telecommunications integrated circuit(s) cards and terminals - Part 6: Telecommunication features; German version EN 726-6:1995
Edition 1996-07

Terminal Equipment (TE); syntax-based videotex lower layer protocols using packet mode access over the Public Switched Telephone Network (PSTN); English version ETS 300221:1993
Edition 1994-01

Private Telecommunication Network (PTN) - Signalling protocol at the S-reference point - Circuit mode basic services; English version ETS 300192/A1:1996
Edition 1996-08