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

Private Integrated Services Network (PISN) - Profile Standard for the Use of PSS1 (QSIG) in Air Traffic Services Networks (Endorsement of the English version EN 301846 V 1.1.1 (2001-07) as German Standard)
Edition 2001-12

Broadband Private Integrated Services Networks (B-PISNs) - Inter-exchange signalling protocol - Separated Bearer Control (SBC) (Endorsement of the English version EN 301776 V 1.1.1 (2000-08) as German Standard)
Edition 2001-12

Telecommunications Management Network (TMN) - Performance monitoring for Plesiochronous Digital Hierarchy (PDH) interfaces - Information model for the Network Element (NE) view (Endorsement of the English version EN 301384 V 1.1.2 (2001-02) as German standard)
Edition 2001-12

Access and Terminals (AT) - 2048 kbit/s digital unstructured leased line (D2048U) - Connection characteristics (Endorsement of the English version EN 300247 V 1.2.1 (2001-07) as German version)
Edition 2002-01

Accesss and Terminals (AT) - 64 kbit/s digital unrestricted leased line with octet integrity (D64U) - Network interface presentation (Endorsement of the English version EN 300288 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - 2048 kbit/s digital unstructured leased line (D2048U) - Terminal equipment interface (Endorsement of the English version EN 300248 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - 64 kbit/s digital unrestricted leased line with octet integrity (D64U) - Connection characteristics (Endorsement of the English version EN 300289 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminal (AT) - 64 kbit/s digital unrestricted leased line with octet integrity (D64U) - Terminal equipment interface (Endorsement of the English version EN 300290 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - 2048 kbit/s digital unstructured and structured leased lines (D2048U and D2048S) - Network interface presentation (Endorsement of the English version EN 300418 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01