Television systems - NICAM 728: Transmission of two-channel digital sound with terrestrial television systems B, G, H, I, K1 and L; English version EN 300163 V 1.2.1 (1998.03)
Edition 1998-10

Integrated Services Digital Network (ISDN) - Call Deflection (CD) supplementary service - Service description; English version ETS 300202:1994
Edition 1995-05

Integrated Services Digital Network (ISDN) - Autographic conference teleservice - Service description; English version ETS 300675:1996
Edition 1997-11

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Virtual Card Calling (VCC); service description; English version ETS 300711:1997
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

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) - Interworking between public ISDNs and private ISDNs for the provision of telecommunication services - General aspects; English version ETS 300345:1995
Edition 1995-08

Integrated Services Digital Network (ISDN) - Specification of the Remote Frame Handler Interface (RFHI); English version ETS 300458:1995
Edition 1996-04

Integrated Services Digital Network (ISDN) - Signalling system No. 7; Message Transfer Part (MTP) - Testspecification; English version ETS 300336:1996
Edition 1997-07

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Test responder specification; English version ETS 300658:1996
Edition 1997-07