Private Integrated Services Network (PISN) - Inter-exchange signalling protocol, Circuit mode basic services, Data Link Layer (DLL) - Part 2: Abstract Test Suite (ATS) specification; English version ETS 300804-2:1998
Edition 1998-12

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

Integrated Services Digital Network (ISDN) - Access digital section for ISDN primary rate; English version ETS 300233/A1:1995
Edition 1995-10

Frame relay services - Part 1: General description; English version ETS 300399-1:1995
Edition 1995-11

Transmission and Multiplexing (TM) - Synchronous cross connect equipment 64 and n × 64 kbit/s cross connection rate, 2048 kbit/s access ports - Part 1: Core functions and characteristics; English version ETS 300010-1:1995
Edition 1995-12

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