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- BAM - Bundesanstalt für Materialforschung und -prüfung
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- DIN - Deutsches Institut für Normung
- PTB - Physikalisch-Technische Bundesanstalt
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DIN EN 300938 V 8.0.1
Digital cellular telecommunications system (Phase 2+) â Mobile Station â Base Station System (MS - BSS) interface â Data Link (DL) layer specification (GSM 04.06 version 8.0.1 Release 1999)
DIN EN 300911 V 8.4.1
Digital cellular telecommunications system (Phase 2+) â Radio subsystem link control (GSM 05.08 version 8.4.1 Release 1999)
DIN EN 300912 V 6.6.1
Digital cellular telecommunications system (Phase 2+) â Radio subsystem synchronization (GSM 05.10 version 6.6.1 Release 1997)
DIN EN 300937 V 8.0.1
Digital cellular telecommunications system (Phase 2+) â Data Link (DL) layer â General aspects (GSM 04.05 version 8.0.1 Release 1999)
DIN EN 300935 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Advice of Charge (AoC) supplementary services â Stage 2 (GSM 03.86 version 7.0.1 Release 1998)
DIN EN 300931 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Technical realization of facsimile group 3 transparent (GSM 03.45 version 7.0.1 Release 1998)
DIN EN 300928 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Technical realization of Supplementary Services (GSM 03.11 version 7.0.1 Release 1998)
DIN EN 300927 V 5.4.1
Digital cellular telecommunications system (Phase 2+) â Numbering, addressing and identification (GSM 03.03 version 5.4.1 Release 1996)
DIN EN 300923 V 7.0.1
Digital cellular telecommunications system (Phase 2+) â Description of Charge Advice Information (CAI) (GSM 02.24 version 7.0.1 Release 1998)
DIN EN 300920 V 7.1.1
Digital cellular telecommunications system (Phase 2+) â Security aspects (GSM 02.09 version 7.1.1 Release 1998)