Public Switched Telephone Network (PSTN) - Category II specification for 9600 or 4800 bits per second duplex modems standardized for use on the PSTN; English version ETS 300002:1996
Edition 1997-08

Parasitic communication protocol for radio-frequency wireless power transmission (IEC 62980:2022); English version EN IEC 62980:2022
Edition 2023-11

Satellite Earth Stations and Systems (SES) - Centralized control and monitoring functions for VSAT networks; English version ETS 300161:1997
Edition 1998-03

Integrated Services Digital Network (ISDN) - Audiovisual services - Inband signalling procedures for audiovisual terminals using digital channels up to 2048 kbit/s; English version ETS 300143:1994
Edition 1994-12

Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements (IEC 61158-4-21:2019); English version EN IEC 61158-4-21:2019, only on CD-ROM
Edition 2020-08

Ships and marine technology - Sound reception systems (ISO 14859:2012)
Edition 2013-09

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

Postal services - Quality of service - Complaints handling principles; German version EN 14012:2019
Edition 2020-06

Satellite Earth Stations and Systems (SES) - The interconnection of Very Small Aperture Terminal (VSAT) systems to Packet Switched Public Data Networks (PSPDNs); English version ETS 300194:1995
Edition 1996-06

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; User-to-User Signalling (UUS) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300668-2:1996
Edition 1997-09