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ČSN is a protected designation of Czech national technical standards.
Digital cellular telecommunications system (Phase 2) - Security related network functions (GSM 03.20)
Standard published on 1.8.1997
Selected format:Digital cellular telecommunications system (Phase 2) - Security related network functions (GSM 03.20 version 4.4.1)
Standard published on 1.9.1998
Selected format:European digital cellular telecommunications system (Phase 2). Routeing of calls to/from Public Data Networks (PDN) (GSM 03.70)
Standard published on 1.10.1995
Selected format:European digital cellular telecommunications system (Phase 2). Mobile Station - Base Station System (MS-BSS) interface. General aspects and principles (GSM 04.01)
Standard published on 1.10.1995
Selected format:European digital cellular telecommunications system (Phase 2). GSM Public Land Mobile Network (PLMN) access reference configuration (GSM 04.02)
Standard published on 1.10.1995
Selected format:European digital cellular telecommunications system (Phase 2). Mobile Station - Base Station System (MS-BSS) interface. Channel structures and access capabilities (GSM 04.03)
Standard published on 1.10.1995
Selected format:European digital cellular telecommunications system (Phase 2). Layer 1. General requirements (GSM 04.04)
Standard published on 1.10.1995
Selected format:European digital cellular telecommunications system (Phase 2). Data Link (DL) layer. General aspects (GSM 04.05)
Standard published on 1.10.1995
Selected format:European digital cellular telecommunications system (Fáze 2). Mobile Station - Base Station System (MS-BSS) interface. Data Link (DL) layer specification (GSM 04.06)
Standard published on 1.10.1995
Selected format:European digital cellular telecommunications system (Phase 2). Radio Link Protocol (RLP) for data and telematic services on the Mobile Station - Base Station System (MS-BSS) interface and the Base Station System - Mobile-services Switching Centre (BSS-MSC) interface (GSM 04.22)
Standard published on 1.10.1995
Selected format:Latest update: 2026-02-24 (Number of items: 2 263 409)
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