Digital cellular telecommunications system (Phase 2+) (GSM) - User-to-User Signalling (UUS) - Stage 3 (GSM 04.87 version 7.0.2 Release 1998) (Endorsement of the English version EN 301711 V 7.0.2 (1999-12) as German standard)
Edition 2003-08

Digital cellular telecommunications system (Phase 2+) - enhanced Multi-Level Precedence and Pre-emption service (eMLPP) - Stage 3 (GSM 04.67 version 7.0.1 Release 1998)
Edition 2000-04-01

Digital cellular telecommunications system (Phase 2+) - Line identification supplementary services - Stage 3 (GSM 04.81 version 7.0.1 Release 1998)
Edition 2000-04-01

Digital cellular telecommunications system (Phase 2+) - Call Forwarding (CF) supplementary services - Stage 3 (GSM 04.82 version 7.0.2 Release 1998)
Edition 2000-03-01

Digital cellular telecommunications system (Phase 2+) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (GSM 04.83 version 7.0.1 Release 1998)
Edition 2000-04-01

Digital cellular telecommunications system (Phase 2+) - Multi Party (MPTY) supplementary services - Stage 3 (GSM 04.84 version 7.0.1 Release 1998)
Edition 2000-04-01

Digital cellular telecommunications system (Phase 2+) - Advice of Charge (AoC) supplementary services - Stage 3 (GSM 04.86 version 7.0.1 Release 1998)
Edition 2000-04-01

Digital cellular telecommunications system (Phase 2+) - Unstructured Supplementary Service Data (USSD) - Stage 3 (GSM 04.90 version 7.0.1 Release 1998)
Edition 2000-04-01

Digital cellular telecommunications system (Phase 2+) - Explicit Call Transfer (ECT) supplementary service - Stage 3 (GSM 04.91 version 7.0.1 Release 1998)
Edition 2000-04-01

Digital cellular telecommunications system (Phase 2+) - User-to-User Signalling (UUS) Supplementary Service - Stage 3 (GSM 04.87 version 7.0.2 Release 1998)
Edition 2000-03-01