ETSI TS 123 283 V15.4.0 (2025-04)

LTE; Mission Critical Communication Interworking with Land Mobile Radio Systems (3GPP TS 23.283 version 15.4.0 Release 15)

RTS/TSGS-0623283vf40

General Information

• Status: Not Published
• Technical Committee: 3GPP SA 6 - Mission-critical applications
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 03-Apr-2025

Standards Content (Sample)

TECHNICAL SPECIFICATION
LTE;
Mission Critical Communication Interworking
with Land Mobile Radio Systems
(3GPP TS 23.283 version 15.4.0 Release 15)

3GPP TS 23.283 version 15.4.0 Release 15 1 ETSI TS 123 283 V15.4.0 (2025-04)

Reference
RTS/TSGS-0623283vf40
Keywords
LTE
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ETSI
3GPP TS 23.283 version 15.4.0 Release 15 2 ETSI TS 123 283 V15.4.0 (2025-04)
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ETSI
3GPP TS 23.283 version 15.4.0 Release 15 3 ETSI TS 123 283 V15.4.0 (2025-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 8
1 Scope . 9
2 References . 9
3 Definitions, symbols and abbreviations . 9
3.1 Definitions . 9
3.2 Abbreviations . 10
4 Introduction . 10
5 Assumptions and architectural requirements . 10
5.1 Key management . 10
5.2 Packet format . 11
6 Involved business relationships . 11
7 Functional model . 11
7.1 General . 11
7.2 Functional model description . 11
7.3 Functional entities description . 12
7.3.1 IWF . 12
7.4 Reference points . 12
7.4.1 Reference point IWF-1 (between the IWF and the MCPTT server) . 12
7.4.2 Reference point IWF-2 (between the IWF and the MCData server) . 12
7.4.3 Reference point IWF-3 (between the IWF and the group management server) . 13
8 Identities . 13
8.1 Identity mapping . 13
9 Application of functional model to deployments . 13
10 Procedures and information flows . 13
10.1 Affiliation . 13
10.1.1 Information flows for affiliation . 13
10.1.1.1 General . 13
10.1.1.2 IWF group affiliation request . 13
10.1.1.3 IWF group affiliation response . 14
10.1.1.4 IWF group de-affiliation request . 14
10.1.1.5 IWF group de-affiliation response . 14
10.1.2 Affiliation procedures . 15
10.1.2.1 General . 15
10.1.2.2 Group affiliation to a group defined in the MC system . 16
10.1.2.3 Group de-affiliation from a group defined in the MC system . 17
10.1.2.4 Group affiliation to group defined in the LMR system . 17
10.1.2.5 Group de-affiliation from a group defined in the LMR system . 19
10.2 Group management . 20
10.2.1 Information flows for group management . 20
10.2.1.1 General . 20
10.2.1.2 IWF group regroup teardown notification . 20
10.2.1.3 IWF group regroup teardown notification response . 20
10.2.1.4 IWF group regroup request . 20
10.2.1.5 IWF group regroup response . 20
10.2.1.6 IWF group regroup notification . 21
10.2.1.7 IWF group regroup notification response . 21
10.2.1.8 IWF group information request . 21
ETSI
3GPP TS 23.283 version 15.4.0 Release 15 4 ETSI TS 123 283 V15.4.0 (2025-04)
10.2.1.9 IWF group information response . 21
10.2.1.10 IWF group information provision request . 21
10.2.1.11 IWF group information provision response . 22
10.2.1.12 IWF group information subscribe request . 22
10.2.1.13 IWF group information subscribe response .
...