ETSI ETS 300 392-4-1
- Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 4: Gateways basic operation; Sub-part 1: Public Switched Telephone Network (PSTN)
- standard by European Telecommunications Standards Institute, 01/01/1999
- Publisher: ETSI
$26.00$52.50
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