Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications (GSM); DECT/GSM interworking profile (IWP) - Access and mapping (Protocol/procedure description for 3,1 kHz speech service) (Endorsement of the English version EN 300370 V 1.3.1 (2001-01) as German standard)
Edition 2002-05

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; section 32: Data link layer; logical link control (LLC) (IEC 61334-4-32:1996); German version EN 61334-4-32:1996
Edition 1997-09

Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; Section 1: Reference model of the communication system (IEC 61334-4-1:1996); German version EN 61334-4-1:1996
Edition 1998-01

Intelligent Network (IN) - Intelligent Network Capability Set 4 (CS4); Intelligent Network Application Protocol (INAP); Protocol specification - Part 1: Common aspects (Endorsement of the English version EN 302039-1 V 1.1.1 (2002-11) as German standard)
Edition 2003-07

Intelligent Network (IN) - Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Protocol specification - Part 1: Common aspects (Endorsement of the English version EN 301931-1 V 1.1.2 (2001-09) as German standard)
Edition 2002-11

Telecommunications Management Network (TMN) - Information models and protocols for the management and control of the Asynchronous Transfer Mode (ATM) switching network element - Part 1: Q3 interface specification (Endorsement of the English version EN 301064 V 1.1.2 (1999-01) as German Standard)
Edition 1999-12

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User Part (ISUP); Application transport mechanism; Support of the generic addressing and transport protocol - Part 1: Protocol specification (ITU-T Recommendation Q.765.4, modified) (Endorsement of the English version EN 301850-1 V 1.1.1 (2001-02) as German standard)
Edition 2002-01

Integrated Services Digital Network (ISDN) and Broadband Integrated Services Digital Network (B-ISDN) - Generic Addressing and Transport (GAT) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 301813-4 V 1.1.1 (2002-02) as German Standard)
Edition 2002-12

Ripple control receiver - Part 302: Transmission protocols for ripple control systems type B
Edition 2000-04

Intelligent Network (IN) - Intelligent Network Application Protocol (INAP); Capability Set 2 (CS2) - Part 1: Protocol specification (Endorsement of the English version EN 301140-1 V 1.3.4 (1999-06) as German Standard)
Edition 2001-09