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 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

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1); Signalling network layer for circuit-mode basic call control - Part 3: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300403-3 V 1.4.1 (2001-05) 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); User-to-User Signalling (UUS) supplementary service - 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 300286-6 V 1.4.1 (2003-01) as German standard)
Edition 2003-11

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Supplementary service interactions - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300195-2 V 3.1.1 (2002-04) as German Standard)
Edition 2002-12

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) - Security tools (SET) procedures; 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 301002-4 V 1.2.1 (2001-11) als German Standard)
Edition 2002-11

Integrated Services Digital Network (ISDN) - Completion of Calls to Busy Subscriber (CCBS) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300359-2 V 1.4.1 (2001-06) as German Standard)
Edition 2002-03

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control - Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300403-7 V 2.1.2 (2000-02) as German standard)
Edition 2000-12