Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
Edition 1992-12

Integrated Services Digital Network (ISDN) - Access digital section for ISDN basic rate; English version ETS 300297:1995/A1:1996
Edition 1996-10

Integrated Services Digital Network (ISDN); support of packet-mode terminal equipment by an ISDN; english version ETS 300007:1991
Edition 1992-11

Integrated Services Digital Network (ISDN) - ISDN Packet Mode Bearer Services (PMBS) - ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the B-channel of the user access, basic and primary rate; English version ETS 300048:1997
Edition 1998-08

Integrated Services Digital Network (ISDN) - File Transfer Access and Management (FTAM) over ISDN based on simple file transfer profile; English version ETS 300388:1995
Edition 1995-08

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
Edition 1992-05

Integrated Services Digital Network (ISDN) - Programming Communication Interface (PCI) for Euro-ISDN; English version ETS 300325:1994
Edition 1994-08

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 3: Network aspects; English version ETS 300133-3:1997
Edition 1998-12

Integrated Services Digital Network (ISDN); ISDN lower layer protocols for telematic terminals; English version ETS 300080:1992
Edition 1993-09

Integrated Services Digital Network (ISDN); user-network interface layer 3; specification for basic call control; english version ETS 300102-1:1990
Edition 1992-02