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TECHNICAL SPECIFICATION
LTE;
Mission Critical Communication Interworking with Land
Mobile Radio Systems
(3GPP TS 23.283 version 15.3.0 Release 15)
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3GPP TS 23.283 version 15.3.0 Release 15 1 ETSI TS 123 283 V15.3.0 (2018-12)
Reference
RTS/TSGS-0623283vf30
Keywords
LTE
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3GPP TS 23.283 version 15.3.0 Release 15 2 ETSI TS 123 283 V15.3.0 (2018-12)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
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Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 23.283 version 15.3.0 Release 15 3 ETSI TS 123 283 V15.3.0 (2018-12)
Contents
Intellectual Property Rights . 2
Foreword . 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 . 20
10.2.1.7 IWF group regroup notification response . 21
10.2.1.8 IWF group information request . 21
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3GPP TS 23.283 version 15.3.0 Release 15 4 ETSI TS 123 283 V15.3.0 (2018-12)
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 . 22
10.2.1.14 IWF group information notify request . 22
10.2.1.15 IWF group information notify response . 23
10.2.2 Group regrouping . 23
10.2.2.1 General . 23
10.2.2.2 MC system initiates the group regroup . 23
10.2.2.3 IWF initiates the group regroup . 25
10.2.2.4 Ownership of the group regroup . 26
10.2.2.5 Simultaneous group regroup requests from each side of the IWF-1 interface . 26
10.2.2.6 Resolution of vocoder and encryption mode for the group regroup . 26
10.2.3 Group configuration for interworking. 26
10.2.3.1 Overview . 26
10.2.3.2 MC system provides group configuration to the IWF . 26
10.2.3.3 IWF requests group configuration from the MC system . 27
10.2.3.4 IWF provides group configuration to the MC system . 28
10.2.3.5 MC system requests group configuration from the IWF . 29
10.2.3.6 IWF subscribes to group configuration . 29
10.2.3.7 MC system notifies group configuration . 30
10.2.3.8 MC system subscribes to group configuration . 30
10.2.3.9 IWF notifies group configuration . 31
10.3 Group call . 31
10.3.1 General . 31
10.3.2 Information flows for group call over interworking group . 32
10.3.2.1 General . 32
10.3.2.2 IWF group call request . 32
10.3.2.3 IWF group call response (IWF – MCPTT server) . 32
10.3.2.4 IWF Group-broadcast group call setup request . 32
10.3.2.5 IWF Group-broadcast group call setup response . 33
10.3.2.6 IWF Group-broadcast group call release request . 33
10.3.2.7 IWF group-broadcast group call release response . 33
10.3.2.8 IWF group join request . 34
10.3.2.9 IWF group join response . 34
10.3.2.10 IWF group call leave request . 34
10.3.2.11 IWF group call leave response . 35
10.3.2.12 IWF group call release request . 35
10.3.2.13 IWF group call release response . 35
10.3.3 Pre-arranged group call . 35
10.3.3.1 General . 35
10.3.3.2 Group call setup initiated by MCPTT user on an interworking group defined in MCPTT system . 36
10.3.3.3 Group call setup initiated by LMR user on an interworking group defined in MCPTT system. . 37
10.3.3.4 Group call setup initiated by MCPTT user on an interworking group defined in the LMR system . 38
10.3.3.5 Group call setup initiated by LMR user on an interworking group defined in the LMR system. . 40
10.3.3.6 Encrypted group call with transcoding . 41
10.3.3.7 Late Entry . 43
10.3.3.7.1 General . 43
10.3.3.7.2 Group call late entry on an interworking group defined in the MCPTT system . 43
10.3.3.7.3 Group call late entry on an interworking group defined in the LMR system . 44
10.3.3.8 Interworking group call release . 45
10.3.3.8.1 General . 45
10.3.3.8.2 Group call release on an interworking group defined in the MCPTT system. 46
10.3.3.8.3 Group call release on an interworking group defined in the LMR system . 47
10.3.4 Group broadcast . 48
10.3.4.1 General . 48
10.3.4.2 Group-broadcast group call procedure with an interworking group where the group-broadcast
group is defined in the MCPTT system. 48
10.3.4.3 Group-broadcast group call procedure with an interworking group where the group-broadcast
group is defined in the LMR system . 51
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3GPP TS 23.283 version 15.3.0 Release 15 5 ETSI TS 123 283 V15.3.0 (2018-12)
10.3.4.4 Group-broadcast group call release with an interworking group procedure where the group-
broadcast group is defined in the MCPTT system . 53
10.3.4.5 Group-broadcast group call release with an interworking group procedure where the group-
broadcast group is defined in the LMR system . 55
10.3.5 Chat group call . 56
10.3.5.1 General . 56
10.3.5.2 MCPTT user initiated chat group call in an interworking group defined in LMR system . 56
10.3.5.3 LMR user initiated chat group call in an interworking group defined in MCPTT system . 57
10.3.5.4 Release chat group call on an interworking group defined in the LMR system . 58
10.3.5.5 Release chat group call on an interworking group defined in the MCPTT system . 59
10.3.5.6 void . 60
10.3.5.7 void . 60
10.3.6 Exiting group call due to de-affiliation . 60
10.3.6.1 General . 60
10.3.6.2 Exiting group call defined in the LMR system due to de-affiliation . 60
10.3.6.3 Exiting group call defined in the MCPTT system due to de-affiliation . 61
10.4 Private call . 61
10.4.1 Information flows for private calls . 61
10.4.1.1 General . 61
10.4.1.2 IWF private call request . 62
10.4.1.3 IWF private call response . 62
10.4.1.4 IWF ringing . 62
10.4.1.5 IWF call end request . 63
10.4.1.6 IWF call end response . 63
10.4.2 Private call setup in automatic commencement mode . 63
10.4.2.1 MCPTT user initiating an MCPTT private call . 63
10.4.2.2 LMR user initiating a private call with MCPTT user . 65
10.4.3 Private call setup in manual commencement mode . 66
10.4.3.1 MCPTT user is initiating an MCPTT private call . 66
10.4.3.2 LMR user initiating a private call with MCPTT user . 68
10.4.4 Private call release . 69
10.4.4.1 MCPTT client initiated . 69
10.4.4.2 MCPTT server initiated . 70
10.4.4.3 LMR user initiated . 71
10.4.5 Encryption of private calls . 72
10.5 Floor control . 72
10.5.1 General . 72
10.5.2 Information flows for floor control . 73
10.5.2.1 General . 73
10.5.2.2 IWF floor request . 73
10.5.2.3 IWF floor granted . 73
10.5.2.4 IWF floor rejected . 73
10.5.2.5 IWF floor request cancel . 73
10.5.2.6 IWF floor request cancel response . 74
10.5.2.7 IWF floor request cancel notify . 74
10.5.2.8 IWF floor idle . 74
10.5.2.9 IWF floor release . 74
10.5.2.10 IWF floor taken . 75
10.5.2.11 IWF floor revoked . 75
10.5.2.12 IWF floor acknowledgement . 75
10.5.2.13 IWF queue position request. 75
10.5.2.14 IWF queue position info . 76
10.5.2.15 IWF unicast media stop request .
...