Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - Radio specific functional blocks for transmission of Mx STM-N; English version ETS 300635:19966
Edition 1997-09

Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays; English version ETS 300640:1996
Edition 1997-04

Integrated Services Digital Network (ISDN) - Overall network aspects and functions - Frame Relaying Service Specific Convergence Sublayer (FR-SSCS) (ITU-T I.365.1:1993); English version ETS 300643:1996
Edition 1996-12

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

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 - B-ISDN User Part (B-ISUP) Capability Set 1 (CS1); Basic services (ITU-T Q.2761 to Q.2764:1995, modified); English version ETS 300656:1997
Edition 1998-02

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 - B-ISDN User Part (B-ISUP) Capability Set 1 (CS1) - Supplementary services (ITU-T Q.2730:1995, modified); English version ETS 300657:1997
Edition 1998-02

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Test responder specification; English version ETS 300658:1996
Edition 1997-07

Integrated Services Digital Network (ISDN) - Synchronization and Co-ordination Function (SCF) for the provision of the OSI Connection-mode Network Service (OSI CONS) in an ISDN environment - Specification of SCF (ITU-T Recommendation Q.923 (1995), modified); English version ETS 300660:1996
Edition 1997-04

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Direct Dialling In (DDI) supplementary service - Part 1: Protocol specification [ITU-T-Recommendation Q.2951, clause 1 (1995), modified] (Endorsement of the English version ETS 300661-1:1997 as German Standard)
Edition 2000-05

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Multiple Subscriber Number (MSN) supplementary service - Part 1: Protocol specification (ITU-T Recommendation Q.2951, clause 2 (1995), modified); English version ETS 300662-1:1996
Edition 1997-11