Microfilming of engineering drawings on microfilm 35 mm; technical proceeding of recording
Edition 1979-10

Microfilming of newspapers; technical proceeding of recording on film 35 mm
Edition 1985-07

Integrated Services Digital Network (ISDN); attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access; layer 3 aspects; english version ETS 300104:1991
Edition 1992-05

Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications (GSM) - DECT/GSM Interworking Profile (IWP); implementation of bearer services; English version ETS 300756:1997
Edition 1998-06

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 4: Test Suite Structure and Test Purposes (TSS&TP) specification for the user; English version ETS 300403-4:1997
Edition 1997-11

Integrated Services Digital Network (ISDN); user-network interface layer 3; specifications for basic call control; Specification Description Language (SDL) diagrams; english version ETS 300102-2:1990
Edition 1992-02

Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN); DECT/ISDN interworking for end system configuration; Profile Test Specification (PTS) - Part 3: Profile Specific Test Specification (PSTS) for Fixed radio Termination (FT); English version ETS 300758-3:1997
Edition 1998-07

Integrated Services Digital Network (ISDN) - Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access - Layer 3 aspects; English version ETS 300104:1991/A1:1994
Edition 1994-11

Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Functional capabilities and information flows; English version ETS 300266:1994
Edition 1994-10

Private Telecommunication Network (PTN); signalling at the S-reference point; generic keypad protocol for the support of supplementary services; English version ETS 300190:1992
Edition 1993-09