Digital cellular telecommunications system (Phase 2). Layer 1. General requirements (GSM 04.04)
Edition 1997-07-01

Electronic fee collection - Secure monitoring for autonomous toll systems - Part 2: Trusted recorder; English version CEN/TS 16702-2:2020
Edition 2020-04

Electronic fee collection - Personalization of on-board equipment (OBE) - Part 2: Using dedicated short-range communication (ISO/TS 21719-2:2022); English version CEN ISO/TS 21719-2:2022
Edition 2023-02

Intelligent transport systems - Traffic and travel information via transport protocol experts group, generation 1 (TPEG1) binary data format - Part 2: Syntax, semantics and framing structure (TPEG1-SSF) (ISO/TS 18234-2:2013); English version CEN ISO/TS 18234-2:2013
Edition 2014-07

Digital cellular telecommunications system (Phase 2). Base Station Controller. Base Transceiver Station (BSC - BTS) interface. Layer 2 specification (GSM 08.56)
Edition 1998-12-01

Integrated services digital network (ISDN) - Narrowband multi-service delivery system (NMDS) - Part 6: abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) specification for the NMDS layer 2 PSTN-GW function (NTN side) (V1.1.1)
Edition 2014-03-19

Integrated Services Digital Network (ISDN) - ISDN Packet Mode Bearer Services (PMBS) - ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the D-channel of the user access; basic and primary rate; English version ETS 300049:1997
Edition 1998-08

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

Frame relay services - Part 3: Frame relay data transmission service; service definition; English version ETS 300399-3:1995
Edition 1995-10

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