DS/EN 300392-3-1 V1.2.1
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 1: General design
| Organization: | DS |
| Publication Date: | 15 February 2004 |
| Status: | active |
| ICS Code (Telecommunications in general): | 33.020 |
scope:
The present document defines the general aspects of interworking at the Inter-System Interface (ISI) for Terrestrial Trunked Radio (TETRA) system supporting Voice plus Data (V+D). Those specify the general concepts which are the basis of the ISI operation between TETRA systems. It introduces the Additional Network Features (ANFs) used at the ISI, and specifies: - the general protocol mechanism, called ISI Generic Functional Protocol (ISI GFP), upon which the definition of each ANF is based; and - the security requirements for the ISI.
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