Private Integrated Services Network (PISN) - Circuit emulation specifications - Emulation of Basic Access by ATM Networks (Endorsement of the English version EN 301465 V 1.1.1 (2000-06) as German standard)
Edition 2001-06

V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 8: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the data link layer (Endorsement of the English version EN 300347-8  V 2.1.2 (2000-06) as German standard)
Edition 2001-05

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) specification for the NMDS Layer 2 PSTN-GW function (NTN side) (Endorsement of the English version EN 301141-6 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) specification for the PSTN NMDS interface Layer 3 (NTN side) (Endorsement of the English version EN 301141-7 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 8: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) specification for the PSTN NMDS interface Layer 3 (LE side) (Endorsement of the English version EN 301141-8 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control - Part 6: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 300403-6 V 1.2.2 (2000-02) as German Standard)
Edition 2002-12

Terrestrial Trunked Radio (TETRA) - Speech codec for full-rate traffic channel - Part 3: Specific operating features (Endorsement of the English version EN 300395-3 V1.2.1 (2005-01) as German standard)
Edition 2005-07

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 3: Mobile Station to Mobile Station (MS-MS) Air Interface (AI) protocol (Endorsement of the English version EN 300396-3 V1.4.1 (2011-12) as German standard)
Edition 2012-07

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 5: Gateway air interface (Endorsement of the English version EN 300396-5 V1.3.1 (2011-12) as German standard)
Edition 2012-07

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 (Endorsement of the English version EN 300403-2 V 1.3.1 (2000-11) as German standard)
Edition 2001-05