Digital cellular telecommunications system (Phase 2) - Technical realization of the Short Message Service (SMS) Point-to-Point (PP) (Endorsement of the English version ETS 300536:1996-10 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Line identification supplementary services - Stage 2 (Endorsement of the English version ETS 300542:1999-01 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Closed User Group (CUG) supplementary services - Stage 3 (Endorsement of the English version ETS 300569:1996-11 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Performance requirements on the mobile radio interface (Endorsement of the English version ETS 300561:1996-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Call Forwarding (CF) supplementary services - Stage 3 (Endorsement of the English version ETS 300566:1996-08 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Unstructured Supplementary Service Data (USSD) - Stage 1 (Endorsement of the English version ETS 300625:1997-09 as German standard)
Edition 2001-04

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Handover Additional Network Feature (ANF); functional capabilities and information flows (Endorsement of the English version ETS 300817:1998 as German standard)
Edition 1999-07

Public Switched Telephone Network (PSTN) - Category II specification for 300 bit/s duplex modems standardized for use on the PSTN (Endorsement of the English version ETS 300115:1997 as German standard)
Edition 1999-06

V interfaces at the digital Local Exchange (LE) - Access Network (AN) supporting V5 - Transmission characteristics and performance design objectives for call handling and bearer channel connection management (Endorsement of the English version ETS 300795:1998 as German Standard)
Edition 2000-02

Digital Video Broadcasting (DVB) - DVB interaction channel for cable TV distribution systems (CATV) (Endorsement of the English version ETS 300800:1998 as German standard)
Edition 2000-04