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ETSI ETS 300 392-12-23
- Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 23: Call Completion on No Reply (CCNR)
- standard by European Telecommunications Standards Institute, 04/01/2000
- Publisher: ETSI
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To define the Stage 3 requirements for TETRA SS Call Completion on No Reply