Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 9: General requirements for supplementary services
STANDARD published on 1.11.2020
Designation standards: ČSN ETSI EN 300392-9-V1.7.1
Classification mark: 875042
Catalog number: 510778
Publication date standards: 1.11.2020
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
V1.7.1 The present document is applicable to any TETRA terminal equipment (Mobile Station (MS)) and to any TETRA network (Switching and Management Infrastructure (SwMI)) which support at least one TETRA Supplementary Service (SS). In addition, its routeing requirements of supplementary service information are applicable to any TETRA network with a Voice plus Data (V+D) Inter-System Interface (ISI) to another TETRA network which supports at least one TETRA SS