Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Subaddressing (SUB) supplementary service - Part 1: Protocol specification [ITU-T Recommendation Q.2951, clause 8 (1995), modified]; English version ETS 300667-1:1996
Edition 1997-09

Satellite Earth Stations and Systems (SES) - Centralized control and monitoring functions for VSAT networks; English version ETS 300161:1997
Edition 1998-03

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Subaddressing (SUB) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300667-2:1996
Edition 1997-09

Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; functional capabilities and information flows; English version ETS 300184:1993 + Corrigendum September 1993
Edition 1994-04

Private Telecommunication Network (PTN) - Signalling protocol at the S-reference point - Circuit mode basic services; English version ETS 300192/A1:1996
Edition 1996-08

Digital cellular telecommunications system (Phase 2) - Network Management (NM) procedures and messages on the A-bis interface; English version ETS 300623:1996
Edition 1997-07

Radio Equipment and Systems (RES) - Land mobile service - Binary Interchange of Information and Signalling at 1200 bit/s (BIIS 1200); English version ETS 300230:1996
Edition 1998-06