Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Universal Access Number (UAN) service - Service description; English version ETS 300710:1997
Edition 1997-12

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Televoting (VOT) service; service description; English version ETS 300713:1997
Edition 1997-12

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Premium Rate (PRM) service; service description; English version ETS 300712:1997
Edition 1997-12

Broadband Integrated Services Digital Network (B-ISDN) - B-ISDN Operation and Maintenance (OAM) principles and functions; English version ETS 300404:1997
Edition 1998-07

European digital cellular telecommunications system (Phase 2) - Signalling requirements relating to routeing of calls to mobile subscribers; English version ETS 300524:1994
Edition 1995-01

Integrated Services Digital Network (ISDN) - ISDN-Global System for Mobile communications (GSM) - Public Land Mobile Network (PLMN) signalling interface; test specification; English version ETS 300482:1996
Edition 1996-12

European digital cellular telecommunications system (Phase 2) - Description of Charge Advice Information (CAI); English version ETS 300510:1996
Edition 1996-10

Integrated Services Digital Network (ISDN) - User-to-User Signalling (UUS) supplementary service - Service description; English version ETS 300284:1996
Edition 1996-10

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

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Transaction Capabilities (TC); Application Service Element (ASE) for Message Waiting Indication (MWI) supplementary service - Part 1: Protocol specification; English version ETS 300754-1:1997
Edition 1998-08