Integrated Services Digital Network (ISDN) - Generic functional protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 300196-4 V 1.2.1 (2001-11) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Generic functional protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 300196-5 V 1.2.1 (2001-11) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Generic functional protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300196-6 V 1.2.1 (2001-11) as German Standard)
Edition 2002-11

Fixed Radio Systems - Point-to-point equipment - Parameters for radio systems for the transmission of digital signals operating at 32 GHz and 38 GHz (Endorsement of the English version EN 300197 V1.6.1 (2002-07) as German standard)
Edition 2004-12

Fixed Radio Systems - Point-to-point equipment - Parameters for radio systems for the transmission of digital signals operating at 23 GHz (Endorsement of the English version EN 300198 V 1.5.1 (2002-07) as German standard)
Edition 2003-09

Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Service description (Endorsement of the English version EN 300199 V 1.2.1 (2001-06) as German standard)
Edition 2002-07

Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description (Endorsement of the English version EN 300201 V 1.2.1 (2001-05) as German standard)
Edition 2002-07

Integrated Services Digital Network (ISDN) - Diversion supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300207-1 V 3.1.1 (2001-06) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Diversion supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300207-2 V 3.1.1 (2001-06) as German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Diversion supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 300207-3 V 3.1.1 (2001-06) as German Standard)
Edition 2002-03