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NF Z83-549 ; NF ETS 300549:1997-07-01
Digital cellular telecommunications system (Phase 2). Unstructured Supplementary Service Data (USSD). Stage 2 (GSM 03.90)
Edition
1997-07-01
NF Z83-550 ; NF ETS 300550:1997-05-01
Digital cellular telecommunications system (phase 2). Mobile Station. Base Station System (MS BSS) interface. General aspects and principles (GSM 04.01)
Edition
1997-05-01
NF Z83-552 ; NF ETS 300552:1997-07-01
Digital cellular telecommunications system (Phase 2). Mobile Station Base Station system (MS-BSS) interface. Channel structures and access capabilities (GSM 04.03)
Edition
1997-07-01
NF Z83-553 ; NF ETS 300553:1997-07-01
Digital cellular telecommunications system (Phase 2). Layer 1. General requirements (GSM 04.04)
Edition
1997-07-01
NF Z83-554 ; NF ETS 300554:1997-07-01
Digital cellular telecommunications system (Phase 2). Data Link (DL) layer. General aspects (GSM 04.05)
Edition
1997-07-01
NF Z83-555 ; NF ETS 300555:1997-07-01
Digital cellular telecommunications system (Phase 2). Mobile Station. Base Station System (MS-BSS) interface Data Link (DL) layer specification (GSM 04.06)
Edition
1997-07-01
NF Z83-556 ; NF ETS 300556:1997-12-01
Digital cellular telecommunications system (Phase 2). Mobile radio interface signalling layer 3. General aspects (GSM 04.07)
Edition
1997-12-01
NF Z83-557 ; NF ETS 300557:1999-02-01
Digital cellular telecommunications system (Phase 2). Mobile radio interface layer 3 specification (GSM 04.08, version 4.22.1)
Edition
1999-02-01
NF Z83-558 ; NF ETS 300558:1997-12-01
Digital cellular telecommunications system (Phase 2). Mobile radio interface layer 3. Supplementary services specification. General aspects (GSM 04.10)
Edition
1997-12-01
NF Z83-559 ; NF ETS 300559:1998-03-01
Digital cellular telecommunications system (Phase 2). Point-to-Point (PP) Short Message Service (SMS) support on mobile radio interface (GSM 04.11)
Edition
1998-03-01