Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT recommendation X.25 (1984) interface; requirements applicable to DTEs subscribing to Link Access Procedure Balanced (LAPB) extended (modulo 128) operation; english version ETS 300123:1991
Edition 1992-08

European digital cellular telecommunications system (Phase 2) - Interworking between the Public Land Mobile Network (PLMN) and the Packet Switched Public Data Network (PSPDN) for Packet Assembly/Disassembly (PAD) facility access; English version ETS 300602:1994
Edition 1995-01

Integrated Services Digital Network (ISDN) - Signalling System no. 7 - Routeing in support of ISDN User Part (ISUP) version 2 services; English version ETS 300334:1995
Edition 1996-12

European digital cellular telecommunications system (Phase 2) - Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities; English version ETS 300584:1994
Edition 1995-01

Terminal Equipment (TE); international videotex interworking; english version ETS 300105:1991
Edition 1992-11

Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT recommendation X.25 (1984) interface; requirements applicable to DTEs subscribing to Multilink operation; english version ETS 300124:1991
Edition 1992-08

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

Data communication - X.25 DTE conformance testing - General principles; identical with ISO/IEC 8882-1:1996
Edition 1997-06

Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA) - Packet Data Optimized (PDO) - Part 1: General network design; English version ETS 300393-1:1996
Edition 1997-08

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