Public Switched Telephone Network (PSTN) - Calling Line Identification Presentation (CLIP) supplementary service - Service description; English version ETS 300648:1997
Edition 1997-12

Testing of carbonaceous materials - Rockwell hardness test - Ball indentation method; Solid materials
Edition 2002-12

ASN.1 library definition - Version 1.1; English version ETS 300655:1997
Edition 1998-05

Terminal Equipment (TE) - End-to-end protocols for multimedia information retrieval services - Part 1: Coding of multimedia and hypermedia information for basic multimedia applications (MHEG-5); English version ETS 300777-1:1997
Edition 1998-07

Terminal Equipment (TE) - End-to-end protocols for multimedia information retrieval services - Part 3: Application Programmable Interface (API) for MHEG-5; English version ETS 300777-3:1997
Edition 1998-07

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Message Transfer Part (MTP) to support international interconnection - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300008-2:1997
Edition 1998-07

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; signalling network layer for circuit-mode basic call control - Part 5: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user; English version ETS 300403-5:1997
Edition 1998-08

Universal Personal Telecommunication (UPT) - Security architecture for UPT phase 2 - Specification; English version ETS 300790:1997
Edition 1998-07

Radio Equipment and Systems (RES) - Terrestrial Flight Telephone System (TFTS) - Packet mode data; English version ETS 300752:1997
Edition 1998-07

Digital Audio Broadcasting (DAB) - Distribution interfaces - Ensemble Transport Interface (ETI); English version ETS 300799:1997
Edition 1998-06