ETSI TS 123 280 V15.8.0 (2024-04)

LTE; Common functional architecture to support mission critical services; Stage 2 (3GPP TS 23.280 version 15.8.0 Release 15)

RTS/TSGS-0623280vf80

General Information

• Status: Not Published
• Technical Committee: 3GPP SA 6 - Mission-critical applications
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 24-Apr-2024

Standards Content (Sample)

TECHNICAL SPECIFICATION
LTE;
Common functional architecture
to support mission critical services;
Stage 2
(3GPP TS 23.280 version 15.8.0 Release 15)

3GPP TS 23.280 version 15.8.0 Release 15 1 ETSI TS 123 280 V15.8.0 (2024-04)

Reference
RTS/TSGS-0623280vf80
Keywords
LTE
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ETSI
3GPP TS 23.280 version 15.8.0 Release 15 2 ETSI TS 123 280 V15.8.0 (2024-04)
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ETSI
3GPP TS 23.280 version 15.8.0 Release 15 3 ETSI TS 123 280 V15.8.0 (2024-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 12
1 Scope . 13
2 References . 13
3 Definitions, symbols and abbreviations . 14
3.1 Definitions . 14
3.2 Symbols . 16
3.3 Abbreviations . 16
4 Introduction . 17
5 Assumptions and architectural requirements . 17
5.1 Assumptions . 17
5.1.1 Service continuity . 17
5.1.2 Trust domain . 18
5.2 Architectural requirements . 18
5.2.1 General architectural requirements . 18
5.2.2 Roaming requirements . 18
5.2.3 UE-to-network relay MC service requirements . 18
5.2.4 MC service user profile requirements . 19
5.2.5 MC service group affiliation and MC service group de-affiliation . 19
5.2.6 GCS AS requirements for the MC services . 20
5.2.7 Bearer management . 20
5.2.7.0 General . 20
5.2.7.1 MBMS bearer management . 21
5.2.7.2 EPS bearer considerations . 21
5.2.8 External applications access to services in a MC system . 22
5.2.9 Migration . 22
5.2.9.1 General . 22
5.2.9.2 PLMN utilisation . 22
5.2.9.3 SIP core / IMS utilisation . 23
5.2.10 Interconnection . 23
5.2.10.1 General . 23
5.2.10.2 Connectivity . 23
5.2.10.3 Migration . 24
5.2.10.4 Private calls . 24
5.2.10.5 Group calls . 24
5.2.10.6 Group configuration . 24
5.2.10.7 MC system topology hiding . 24
6 Involved business relationships . 24
7 Functional model . 27
7.1 General . 27
7.2 Description of the planes . 27
7.3 Functional model description . 27
7.3.1 On-network functional model . 27
7.3.2 Off-network functional model . 31
7.4 Functional entities description . 31
7.4.1 General . 31
7.4.2 Application plane . 31
7.4.2.1 General . 31
7.4.2.2 Common services core . 31
7.4.2.2.1 Configuration management client. 31
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7.4.2.2.2 Configuration management server . 32
7.4.2.2.3 Group management client . 32
7.4.2.2.4 Group management server . 32
7.4.2.2.5 Identity management client . 32
7.4.2.2.6 Identity management server . 32
7.4.2.2.7 Key management client . 32
7.4.2.2.8 Key management server . 33
7.4.2.2.9 Location management client . 33
7.4.2.2.10 Location management server . 33
7.4.2.2.11 Void . 33
7.4.2.2.12 Functional alias management client . 33
7.4.2.2.13 Functional alias management server . 33
7.4.2.3 MC service . 33
7.4.2.3.1 MC service client . 33
7.4.2.3.2 MC service server . 33
7.4.2.3.3 MC service user database . 34
7.4.2.3.4 MC gateway server . 34
7.4.3 Signalling control plane . 34
7.4.3.1 SIP entities . 34
7.4.3.1.1 Signalling user agent . 34
7.4.3.1.2 SIP AS . 34
7.4.3.1.3 SIP core . 34
7.4.3.1.3.1 General . 34
7.4.3.1.3.2 Local inbound / outbound proxy . 35
7.4.3.1.3.3 Registrar finder . 35
7.4.3.1.3.4 Registrar / application service selection . 35
7.4.3.1.4 Diameter proxy . 36
7.4.3.2 SIP database . 36
7.4.3.2.1 General . 36
7.4.3.2.2 SIP database logical functions . 36
7.4.3.3 HTTP entities . 37
7.4.3.3.1 HTTP client . 37
7.4.3.3.2 HTTP proxy . 37
7.4.3.3.3 HTTP server . 37
7.5 Reference points . 38
7.5.1 General reference point principle . 38
7.5.2 Application plane . 38
7.5.2.1 General . 38
7.5.2.2 Reference point CSC-1 (between the identity management client and the identity management
server) . 38
7.5.2.3 Reference point CSC-2 (between the group management client and the group management server
for configuration while UE is on-network) . 38
7.5.2.4 Reference point CSC-3 (between the MC service server and the group management server) . 38
7.5.2.5 Reference point CSC-4 (between the configuration management client and the configuration

management server for configuration while UE is on-network) . 38
7.5.2.6 Reference point CSC-5 (between the MC service server and the configuration management
server) . 39
7.5.2.7 Reference point CSC-7 (between the group management servers) . 39
7.5.2.8 Reference point CSC-8 (between the key management server and the key management client) . 39
7.5.2.9 Reference point CSC-9 (between the key management server and the MC service server) . 39
7.5.2.10 Reference point CSC-10 (between the key management server and the group management
server) . 39
7.5.2.11 Reference point CSC-11 (between the configuration management client and the configuration
management server for configuration while UE is off-network). 40
7.5.2.12 Reference point CSC-12 (between the group management client and the group management
server for configuration while UE is off-network) . 40
7.5.2.13 Reference point CSC-13 (between the configuration management server and the MC service user
database) . 40
7.5.2.14 Reference point CSC-14 (between the location management client and the location management
server) . 40
7.5.2.15 Reference point CSC-15 (between the location management server and the MC service server) . 40
7.5.2.16 Reference point CSC-16 (between group management servers in different MC systems) . 40
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7.5.2.17 Reference point CSC-17 (between configuration management servers in different MC systems) . 41
7.5.2.18 Void. 41
7.5.2.19 Reference point MCX-1 (between MC service servers) . 41
7.5.3 Signalling control plane . 41
7.5.3.1 General . 41
7.5.3.2 Reference point SIP-1(between the signalling user agent and the SIP core) . 41
7.5.3.3 Reference point SIP-2 (between the SIP core and the SIP AS) . 41
7.5.3.4 Reference point SIP-3 (between the SIP core and SIP core) . 42
7.5.3.5 Reference point HTTP-1 (between the HTTP client and the HTTP proxy) . 42
7.5.3.6 Reference point HTTP-2 (between the HTTP proxy and the HTTP server) . 42
7.5.3.7 Reference point HTTP-3 (between the HTTP proxy and HTTP proxy) . 42
7.5.3.8 Reference point AAA-1 (between the SIP database and the SIP core) . 42
7.5.3.9 Reference point AAA-2 (between the SIP core and Diameter proxy) . 42
8 Identities . 43
8.1 Application plane . 43
8.1.1 Mission Critical user identity (MC ID) . 43
8.1.2 MC service user identity (MC service ID) . 43
8.1.3 MC service group identity (MC service group ID) . 43
8.1.3.1 General . 43
8.1.3.2 MC service group ID management (off-network operation) . 44
8.1.4 MC system identity (MC system ID) . 44
8.2 SIP signalling control plane. 44
8.3 Relationship between identities in different planes . 45
8.3.1 Relationship between MC service ID and public user identity . 45
8.3.2 Relationship between MC service group ID and public service identity . 45
9 Application of functional model to deployments . 46
9.1 General . 46
9.2 Architecture model and deployment scenarios for on-network operations . 46
9.2.1 On-network architectural model . 46
9.2.1.1 On-network architectural model diagram . 46
9.2.1.2 Application services layer . 47
9.2.1.2.1 Overview . 47
9.2.1.2.2 Common services core . 47
9.2.1.2.3 MC services . 47
9.2.1.3 SIP core . 48
9.2.1.4 EPS . 48
9.2.1.5 UE 1 . 48
9.2.1.6 UE 2 . 48
9.2.2 Deployment scenarios . 48
9.2.2.1 Administration of MC service, SIP core and EPS . 48
9.2.2.1.1 General . 48
9.2.2.1.2 Common administration of all planes . 48
9.2.2.1.3 MC service provider separate from SIP core and EPS . 49
9.2.2.1.4 MC service provider administers SIP core, separate from EPS . 50
9.2.2.1.5 SIP core partially administered by both PLMN operator and MC service provider . 50
9.2.2.1.6 PLMN operator administers SIP core with SIP identities administered by MC service
provider . 51
9.2.2.2 MC service user database, SIP database and HSS . 52
9.2.2.3 Control of bearers by SIP core and MC service server . 55
9.2.2.3.1 General . 55
9.2.2.3.2 Control of bearers by SIP core . 55
9.2.2.3.3 Control of bearers by MC service server . 55
9.3 Architecture model for off-network operations . 56
9.3.1 Off-network architectural model diagram . 56
9.3.2 UE 3 . 56
9.3.3 UE 4 . 57
9.3.4 Offline common services server . 57
9.4 Architecture model for roaming . 57
10 Procedures and information flows . 57
10.1 MC service configuration . 57
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10.1.1 General . 57
10.1.1.1 MC service configuration on primary MC system . 57
10.1.1.2 MC service configuration for migration to partner MC system . 58
10.1.2 Information flows for MC service configuration . 60
10.1.2.1 Store group configuration request . 60
10.1.2.2 Store group configuration response . 60
10.1.2.3 Get group configuration request . 60
10.1.2.4 Get group configuration response . 61
10.1.2.5 Subscribe group configuration request . 61
10.1.2.6 Subscribe group configuration response . 61
10.1.2.7 Notify group configuration request . 61
10.1.2.8 Notify group configuration response . 61
10.1.2.9 Get functional alias configuration request . 62
10.1.2.10 Get functional alias configuration response . 62
10.1.2.11 Subscribe functional alias configuration request . 62
10.1.2.12 Subscribe functional alias configuration response . 62
10.1.2.13 Notify functional alias configuration request . 63
10.1.2.14 Notify functional alias configuration response . 63
10.1.3 MC service UE configuration data . 63
10.1.3.1 General . 63
10.1.3.2 Procedures . 63
10.1.3.3 Structure of UE configuration data . 64
10.1.4 MC service user profile . 64
10.1.4.1 General . 64
10.1.4.2 Information flows for MC service user profile. 65
10.1.4.2.1 Get MC service user profile request . 65
10.1.4.2.2 Get MC service user profile response . 65
10.1.4.2.3 Notification for MC service user profile data update . 66
10.1.4.2.4 Get updated MC service user profile data request . 66
10.1.4.2.5 Get updated MC service user profile data response. 66
10.1.4.2.6 Update MC service user profile data request . 66
10.1.4.2.7 Update MC service user profile data response . 66
10.1.4.2.8 Update pre-selected MC service user profile request . 67
10.1.4.2.9 Update pre-selected MC service user profile response . 67
10.1.4.2.10 Update selected MC service user profile request . 67
10.1.4.2.11 Update selected MC service user profile response . 67
10.1.4.3 MC service user obtains the MC service user profile(s) from the network . 68
10.1.4.3.1 MC service user receiving MC service in primary MC system . 68
10.1.4.3.2 MC service user receiving MC service from a partner MC system . 68
10.1.4.4 MC service user receives updated MC service user profile data from the network . 70
10.1.4.5 MC service user updates MC service user profile data to the network . 70
10.1.4.6 Updating the pre-selected MC service user profile . 71
10.1.4.7 Updating the selected MC service user profile for an MC service . 72
10.1.5 MC service group configuration management . 74
10.1.5.1 Store group configurations at the group management server . 74
10.1.5.2 Retrieve group configurations at the group management client . 74
10.1.5.3 Subscription and notification for group configuration data . 75
10.1.5.4 Structure of group configuration data . 76
10.1.5.5 Dynamic data associated with a group . 76
10.1.5.6 Subscription and notification for dynamic data associated with a group . 76
10.1.5.6.1 Information flows for subscription and notification for dynamic data associated with a group . 77
10.1.5.6.1.1 Subscribe group dynamic data request . 77
10.1.5.6.1.2 Subscribe group dynamic data response . 77
10.1.5.6.1.3 Notify group dynamic data request . 77
10.1.5.6.1.4 Notify group dynamic data response. 77
10.1.5.6.2 Procedure for subscription and notification for dynamic data associated with a group. 77
10.1.6 MC service UE migration . 78
10.1.6.1 MC service UE obtains migration connectivity information of partner MC system . 78
10.1.6.2 Void. 79
10.1.7 Functional alias configuration management . 79
10.1.7.1 Retrieve functional alias configurations from the functional alias management server . 79
10.1.7.2 Subscription and notification for functional alias configuration data . 79
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10.2 Group management (on-network) . 80
10.2.1 General . 80
10.2.2 Information flows for group management . 81
10.2.2.1 Group creation request . 81
10.2.2.2 Group creation response . 81
10.2.2.3 Group regroup request (group management client – group management server) . 81
10.2.2.4 Group regroup response (group management server – group management client) . 82
10.2.2.5 Group regroup teardown request . 82
10.2.2.6 Group regroup teardown response . 82
10.2.2.7 Group creation notify . 82
10.2.2.8 Group regroup notify. 83
10.2.2.9 Group regroup teardown notify . 83
10.2.2.10 Group regroup teardown notification . 83
10.2.2.11 Group regroup teardown notification response . 83
10.2.2.12 Group regroup request (group management server – group management server). 83
10.2.2.13 Group regroup response (group management server – group management server) . 84
10.2.2.14 Group regroup notification . 84
10.2.2.15 Group regroup notification response . 84
10.2.2.16 Group information query request . 84
10.2.2.17 Group information query response .
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