STANDARD
ÖNORM ETS 300957
Issue date: 1997 09 01
Digital cellular telecommunications system - Unstructured Supplementary Service Data (USSD) - Stage 3 (GSM 04.90 version 5.0.1)
General information on ÖNORM ETS 300957
Timeline
An overview of the development of ÖNORM ETS 300957 from 1997 til today.
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ÖNORM EN 300957 V 7.0.1Digital cellular telecommunications system (Phase 2+) - Unstructured Supplementary Service Data (USS...
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ÖNORM EN 300957 V 6.0.1Digital cellular telecommunications system (Phase 2+) - Unstructured Supplementary Service Data (USS...
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ÖNORM ETS 300957Digital cellular telecommunications system - Unstructured Supplementary Service Data (USSD) - Stage ...
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