Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 2: General protocol specification [ITU-T Q.921 (1993), modified]; English version ETS 300402-2:1995
Edition 1996-06

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 3: Frame relay protocol specification; English version ETS 300402-3:1996
Edition 1997-04

Digital cellular telecommunications system (Phase 2) - Network Management (NM) - Part 2: Common aspects of GSM/DCS1800 Network Management; English version ETS 300612-2:1996
Edition 1997-07

Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN); DECT/ISDN interworking for end system configuration; Profile Test Specification (PTS) - Part 1: Summary; English version ETS 300758-1:1997
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

Digital Enhanced Cordless Telecommunications (DECT); Global System for Mobile communications (GSM) - DECT/GSM Interworking Profile (IWP); Profile Test Specification (PTS) - Part 3: Fixed radio Termination (FT); English version ETS 300702-3:1997
Edition 1998-08

Digital Enhanced Cordless Telecommunications (DECT); Global System for Mobile communications (GSM) - DECT/GSM Interworking Profile (IWP); Profile Test Specification (PTS) - Part 2: Portable radio Termination (PT); English version ETS 300702-2:1997
Edition 1998-08

Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 2: Conformance test specification for interface IA and IB; English version ETS 300011-2:1998
Edition 1998-12

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol, Generic functional protocol for the support of supplementary services - Part 2: Abstract Test Suite (ATS) specification; English version ETS 300806-2:1998
Edition 1998-12

Digital Video Broadcasting (DVB) - DVB interfaces to Synchronous Digital Hierarchy (SDH) networks; English version ETS 300814:1998
Edition 1998-10