DIN EN 300392-3-4:2011-04
Действует
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 4: Additional Network Feature Short Data Service (ANF-ISISDS) (Endorsement of the English version EN 300392-3-4 V1.3.1 (2010-08) as German standard)
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