Private Integrated Services Network (PISN) - Specification, functional model and information flows - Private User Mobility (PUM) - Call handling additional network features [ISO/IEC 17877 (2000) modified] (Endorsement of the English version EN 301657 V1.2.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Private User Mobility (PUM) - Call handling Additional Network Feature (ANF) (ISO/IEC 17878 (2003), modified) (Endorsement of the English version EN 301810 V1.2.1 (2004-01) as German standard)
Edition 2004-12

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

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Quality of Service class and parameters indication at call/connection establishment - 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 301815-4 V 1.1.1 (2002-10) as German standard)
Edition 2003-07

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Quality of Service class and parameters indication at call/connection establishment - 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 301815-6 V 1.1.1 (2002-10) as German standard)
Edition 2003-07

Broadband Integrated Services Digital Network (B-ISDN) - AAL Type 2 Signalling protocol; Capability Set 1 - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 301816-4 V 1.1.2 (2002-04) as German Standard)
Edition 2002-12

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Common information Additional Network Feature (ANF) (ISO/IEC 15771 (1998), modified) (Endorsement of the English version EN 301819 V 1.1.1 (2000-10) as German standard)
Edition 2001-06

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Common information Additional Network Feature (ANF) (ISO/IEC 15772 (2003), modified) (Endorsement of the English version EN 301820 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Wireless terminal location registration supplementary service and wireless terminal information exchange additional network feature [ISO/IEC 15428 (1999) modified] (Endorsement of the English version EN 301824 V1.1.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Wireless terminal location registration supplementary service and wireless terminal information exchange Additional Network Feature (ANF) (ISO/IEC 15429 (2003), modified) (Endorsement of the English version EN 301825 V1.1.1 (2004-01) as German standard)
Edition 2004-12