Integrated Services Digital Network (ISDN) - Signalling System No. 7; Digital cellular telecommunications system (Phase 2); application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version ETS 300646-3:1998 as German Standard)
Edition 1999-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Digital cellular telecommunications system (phase 2); Application of ISDN User Part (ISUP) version 2 for the ISDN - Public Land Mobile Network (PLMN) signalling interface - Part 1: Protocol specification (GSM 09.12 version 4.2.2) (Endorsement of the English version EN 300646-1 V 4.2.2 (1999-05) as German standard)
Edition 2000-12

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); Digital cellular telecommunications system (Phase 2+); Application of ISDN User Part (ISUP) version 3 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 302646-2 V 7.1.1 (2000-11) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN); Signalling System No. 7 (SS7) - Digital cellular telecommunications system (Phase 2+); Application of ISDN User Part (ISUP) version 3 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 302646-3 V 7.1.1 (2000-11) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); Digital cellular telecommunications system (Phase 2+); Application of ISDN User Part (ISUP) version 3 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 4: Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsement of the English version EN 302646-4 V 7.0.1 (2000-11) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Digital cellular telecommunications system (Phase 2); Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation extra Information for Testing (PIXIT) proforma specification (Endorsement of the English version ETS 300646-4:1998 as German Standard)
Edition 1999-09

Digital cellular telecommunications system (Phase 2) - Radio transmission and reception (Endorsement of the English version ETS 300577:1999 as German standard)
Edition 2000-12

Digital cellular telecommunications system - Subscriber Identity Modules (SIM) - Functional characteristics (Endorsement of the English version ETS 300922:1999-04 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2) - Base Station Controller - Base Transceiver Station (BSC-BTS) interface; General aspects (Endorsement of the English version ETS 300592:1995 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Technical realization of Short Message Service Cell Broadcast (SMSCB) (Endorsement of the English version ETS 300537:1996-05 as German standard)
Edition 2001-04