Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 501: TASE.1 service definitions (IEC 60870-6-501:1995); German version EN 60870-6-501:1996
Edition 1997-08

Services and Protocols for Advanced Networks (SPAN) - Number portability for ETNS services (Endorsement of the English version EN 301937 V 1.1.1 (2002-10) as German Standard)
Edition 2003-10

Integrated Services Digital Network (ISDN) - Overall network aspects and functions - Frame Relaying Service Specific Convergence Sublayer (FR-SSCS) (ITU-T I.365.1:1993); English version ETS 300643:1996
Edition 1996-12

Digital cellular telecommunications system (Phase 2) - Service accessibility (Endorsement of the English version ETS 300507:1996-09 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2+) - Service accessibility (Endorsement of the English version ETS 300921:1997-04 as German standard)
Edition 2001-06

Integrated Services Digital Network (ISDN) - Signalling System no. 7 - Routeing in support of ISDN User Part (ISUP) version 2 services; English version ETS 300334:1995
Edition 1996-12

Frame relay services - Part 1: General description; English version ETS 300399-1:1995
Edition 1995-11

Services and Protocols for Advanced Networks (SPAN) - Anonymous Call Rejection (ACR) supplementary service - Service description (Endorsement of the English version EN 301798 V 1.1.1 (2000-10) as German Standard)
Edition 2001-10

Frame relay services - Part 4: Broadband Integrated Services Digital Network (B-ISDN); frame relay bearer service; service definition (Endorsement of the English version ETS 300399-4:1998 as German Standard)
Edition 2000-06

Frame relay services - Part 2: Integrated Services Digital Network (ISDN); frame relay bearer service; service definition; English version ETS 300399-2:1995
Edition 1995-10