Integrated Services Digital Network (ISDN) - Signalling interworking specification for ISDN User Part (ISUP) version 1; English version ETS 300343:1994
Edition 1995-01

Integrated Services Digital Network (ISDN) - Signalling System no. 7 - Transaction Capabilities Application Part (TCAP) - Test specification; English version ETS 300344:1994
Edition 1995-01

Integrated Services Digital Network (ISDN) - Interworking between public ISDNs and private ISDNs for the provision of telecommunication services - General aspects; English version ETS 300345:1995
Edition 1995-08

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Message Transfer Part (MTP) protocol Tester (MT); English version ETS 300346:1997
Edition 1998-07

V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 7: Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer (Endorsement of the English version ETS 300347-7:1999 as German standard)
Edition 2000-10

Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 9: Test specification for the physical layer; English version ETS 300347-9:1996
Edition 1996-09

Intelligent Network (IN) - Physical plane for intelligent network Capability Set 1 (CS1) [ITU-T Q.1215:(1993)]; English version ETS 300348:1994
Edition 1995-04

Broadband Integrated Services Digital Network (B-ISDN) - Asynchronous Transfer Mode (ATM) Adaptation Layer (AAL) specification; type 3/4; English version ETS 300349:1995
Edition 1995-11

Integrated Services Digital Network (ISDN) - Basic call control procedures for circuit-switched bearer services - Functional capabilities and information flows [ITU-T Recommendation Q.71 (1993), modified]; English version ETS 300350:1995
Edition 1995-11

Television systems - Specification of the D2-HDMAC/packet system; English version ETS 300352:1994
Edition 1994-10