Integrated Services Digital Network (ISDN) - Call Deflection (CD) supplementary service - Service description; English version 300202:1995/A1:1996
Edition 1997-10

Integrated Services Digital Network (ISDN) - Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access - Layer 3 aspects; English version ETS 300104:1991/A1:1994
Edition 1994-11

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

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

Digital cellular telecommunications system (Phase 2) - GSM Network configuration management; English version ETS 300617:1996
Edition 1997-07

Public Switched Telephone Network (PSTN) - Category II specification for 1200 bits per second half duplex and 1200/75 bits per second asymmetrical duplex modems standardized for use on the PSTN; English version ETS 300118:1996
Edition 1997-08

Satellite Earth Stations and Systems (SES) - Land Mobile Earth Stations (LMESs) operating in the 1,5/1,6 GHz bands providing voice and/or data communications; English version ETS 300423:1995
Edition 1996-02

Transmission and Multiplexing (TM) - Optical Distribution Network (ODN) for Optical Access Network (OAN); English version ETS 300681:1997
Edition 1998-05

Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications (GSM); Integrated Services Digital Network (ISDN); DECT access to GSM via ISDN - Functional capabilities and information flows; English version ETS 300788:1997
Edition 1998-07

Public Switched Telephone Network (PTSN) - Category II specification for 1200 bits per second duplex modems standardized for use on the PSTN; English version ETS 300116:1996
Edition 1997-08