Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 2: Specification and Description Language (SDL) diagrams
Edition 2001-02-01

Integrated Services Digital Network (ISDN); user-network interface layer 3; specifications for basic call control; Specification Description Language (SDL) diagrams; english version ETS 300102-2:1990
Edition 1992-02

European digital cellular telecommunications system (Phase 2) - Advice of Charge (AoC) supplementary services - Stage 2; English version ETS 300547:1995
Edition 1995-09

European digital cellular telecommunications system (Phase 2) - Multi Party (MPTY) supplementary services - Stage 2; English version ETS 300545:1995
Edition 1995-09

European digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2; English version ETS 300544:1995
Edition 1995-09

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Call handling additional network features; functional capabilities and information flows; English version ETS 300695:1996
Edition 1996-12

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Call handling additional network features; service description; English version ETS 300694:1996
Edition 1996-12

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Location handling services; Functional capabilities and information flows; English version ETS 300692:1996
Edition 1996-12

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Location handling services; service description; English version ETS 300691:1996
Edition 1996-12

Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Functional capabilities and information flows; English version ETS 300265:1994
Edition 1994-10