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EVS-EN 300 392-3-12 V1.2.1:2020

Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 12: Transport layer independent Additional Network Feature Individual Call (ANF-ISIIC)

General information
Valid from 15.05.2020
Base Documents
ETSI EN 300 392-3-12 V1.2.1
Directives or regulations
None
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Standard history
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The present document defines the Terrestrial Trunked Radio (TETRA) system supporting Voice plus Data (V+D). It specifies: • the interworking of individual calls between TETRA networks; • the supplementary services interaction with individual calls between TETRA networks. The TETRA V+D interworking - basic operation part defines the interworking between TETRA networks over the corresponding interface: the Inter-System Interface (ISI). It comprises the following sub-parts: • Transport layer independent General design; • General Design, PSS1 over E.1; • General Design, SIP/IP; • Transport layer independent Additional Network Feature - ISI Individual Call (ANF-ISIIC) (the present document); • Transport layer independent Additional Network Feature - ISI Group Call (ANF-ISIGC) [5]; • Transport layer independent Additional Network Feature - ISI Short Data service (ANF-ISISDS); • Transport layer independent Additional Network Feature - ISI Mobility Management (ANF-ISIMM); • Generic Speech Format Implementation. The present document is the ANF-ISIIC sub-part. Like all other Additional Network Feature (ANF) specifications, those of ANF-ISIIC are produced in three stages, according to the method described in Recommendation ITU-T I.130. The present document contains the stage 1 and 2 descriptions of ANF-ISIIC, and stage 3 description. The stage 1 description specifies the ANF as seen by its users, which are essentially the individual call control entities in both TETRA networks. The stage 2 description identifies the functional entities involved in the ANF and the information flows between them. And the stage 3 description of ANF-ISIIC specifies its protocol. NOTE 1: According to Recommendation ITU-T I.130, the stage 3 description of a bearer or tele-service addresses the network implementation aspects. Consequently, it comprises two steps: the specifications of all protocols at the various reference points involved in any of the service procedures (notably the service operation) are the first step of the stage 3 description, and the specifications of the functions of the corresponding network entities are its second step. NOTE 2: The SDL diagrams have not been provided since they can be derived from the specification of the functional entity actions in the stage 2 description. The present document applies to TETRA networks which support inter-TETRA individual calls. More specifically, it applies to their Circuit Mode Control Entities (CMCE), as defined in clause 14.2 of ETSI EN 300 392-2, and to their ANF-ISIIC entities defined in the stage 2 description. The relation between the ANF-ISIIC and the transport layer protocol is described in the General Design documents.
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