Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1); Line Hunting (LH) supplementary service - 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 301484-4 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Digital Enhanced Cordless Telecommunications (DECT) - Generic Access Profile (GAP); Profile Test Specification (PTS) - Part 2: Profile Specific Test Specification (PSTS); Portable radio Termination (PT) (Endorsement of the English version EN 300494-2 V 1.4.1 (2002-04) as German standard)
Edition 2003-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 33: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for basic services (Endorsement of the English version EN 300356-33 V4.1.1 (2003-07) as German standard)
Edition 2004-07

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Switched virtual path capability - 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 301487-4 V 1.1.1 (2002-02) as German Standard)
Edition 2002-12

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Switched virtual path capability - 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 301487-6 V 1.1.1 (2002-02) as German Standard)
Edition 2002-12

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

Integrated Services Digital Network (ISDN) - Malicious Call Identification (MCID) supplementary service; 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 300130-4 V 1.3.2 (2000-06) as German standard)
Edition 2000-12

Integrated Services Digital Network (ISDN) - Closed User Group (CUG) supplementary service; 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 300138-4 V 1.4.3 (2000-05) as German standard)
Edition 2000-10

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) - Digital Subscriber Signalling System No. one (DSS1) protocol; Multi Subscriber Number (MSN) supplementary service - 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 300052-4 V 1.3.1 (2002-04) as German Standard)
Edition 2002-12