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TS 23.179
Functional Architecture and Information Flows
to support Mission Critical Communication Services

3GPP‑Page   ETSI‑search  
V13.5.0 (PDF)  2017/03  233 p.
Rapporteur:
Mr. Russell, Nick
replaced by  TS 23.379  from Rel-14

full Table of Contents for  TS 23.179  PDF version:  13.5.0

1Scope  p. 13
2References  p. 13
3Definitions, symbols and abbreviations  p. 14
3.1Definitions  p. 14
3.2Symbols  p. 15
3.3Abbreviations  p. 15
4Introduction  p. 16
5Assumptions and architectural requirements  p. 17
5.1Assumptions  p. 17
5.1.1Service continuity  p. 17
5.1.2Trust domain  p. 17
5.2Architectural requirements  p. 17
5.2.1General architectural requirements  p. 17
5.2.2Roaming requirements  p. 17
5.2.3Media routing requirements  p. 18
5.2.4Requirements for user identity management  p. 18
5.2.5Group affiliation and de-affiliation  p. 18
5.2.6MCPTT call requirements  p. 18
5.2.6.1General  p. 18
5.2.6.2Group call requirements  p. 18
5.2.7GCS AS requirements for the MCPTT service  p. 19
5.2.8UE-to-network relay MCPTT service requirements  p. 19
5.2.9Bearer management  p. 19
5.2.9.1General  p. 19
5.2.9.2EPS bearer considerations  p. 20
5.2.9.2.1Considerations for the EPS bearer to the MCPTT service PDN  p. 20
5.2.9.2.2Considerations for the EPS bearer to the MC common core services PDN and MC identity management service PDN  p. 20
5.2.9.3EPS unicast bearer considerations for MCPTT  p. 20
5.2.9.4MBMS bearer management  p. 21
5.2.10MCPTT system interconnect requirements  p. 21
5.2.11MCPTT user profile requirements  p. 21
6Involved business relationships  p. 22
7Functional model  p. 24
7.1General  p. 24
7.2Description of the planes  p. 24
7.3Functional model description  p. 24
7.3.1On-network functional model  p. 24
7.3.2Off-network functional model  p. 27
7.4Functional entities description  p. 28
7.4.1General  p. 28
7.4.2Application plane  p. 28
7.4.2.1General  p. 28
7.4.2.2Common services core  p. 28
7.4.2.2.1Configuration management client  p. 28
7.4.2.2.2Configuration management server  p. 28
7.4.2.2.3Group management client  p. 29
7.4.2.2.4Group management server  p. 29
7.4.2.2.5Identity management client  p. 29
7.4.2.2.6Identity management server  p. 29
7.4.2.2.7Key management client  p. 29
7.4.2.2.8Key management server  p. 29
7.4.2.3MCPTT application service  p. 29
7.4.2.3.1MCPTT client  p. 29
7.4.2.3.2MCPTT server  p. 30
7.4.2.3.3Floor participant  p. 31
7.4.2.3.4Floor control server  p. 31
7.4.2.3.5Media distribution function  p. 31
7.4.2.3.6Media mixer  p. 31
7.4.2.3.7MCPTT user database  p. 31
7.4.3Signalling control plane  p. 31
7.4.3.1SIP entities  p. 31
7.4.3.1.1Signalling user agent  p. 31
7.4.3.1.2SIP AS  p. 32
7.4.3.1.3SIP core  p. 32
7.4.3.1.3.1General  p. 32
7.4.3.1.3.2Local inbound / outbound proxy  p. 32
7.4.3.1.3.3Registrar finder  p. 32
7.4.3.1.3.4Registrar / application service selection  p. 33
7.4.3.2SIP database  p. 33
7.4.3.2.1General  p. 33
7.4.3.2.2SIP database logical functions  p. 34
7.4.3.3HTTP entities  p. 34
7.4.3.3.1HTTP client  p. 34
7.4.3.3.2HTTP proxy  p. 35
7.4.3.3.3HTTP server  p. 35
7.5Reference points  p. 35
7.5.1General reference point principle  p. 35
7.5.2Application plane  p. 35
7.5.2.1General  p. 35
7.5.2.2Reference point MCPTT-1 (between the MCPTT client and the MCPTT server)  p. 35
7.5.2.3Reference point MCPTT-2 (between the MCPTT server and the MCPTT user database)  p. 36
7.5.2.4Reference point MCPTT-3 (between the MCPTT server and the MCPTT server)  p. 36
7.5.2.5Reference point MCPTT-4 (unicast between the floor control server and the floor participant)  p. 36
7.5.2.6Reference point MCPTT-5 (between the media distribution function and the EPS)  p. 36
7.5.2.7Reference point MCPTT-6 (between the MCPTT server and the EPS)  p. 36
7.5.2.8Reference point MCPTT-7 (unicast between the media distribution function and the media mixer)  p. 36
7.5.2.9Reference point MCPTT-8 (multicast between the media distribution function and the media mixer)  p. 37
7.5.2.10Reference point MCPTT-9 (multicast between the floor control server and the floor participant)  p. 37
7.5.2.11Reference point CSC-1 (between the identity management client and the identity management server)  p. 37
7.5.2.12Reference point CSC-2 (between the group management client and the group management server for configuration while UE is on-network)  p. 37
7.5.2.13Reference point CSC-3 (between the MCPTT server and the group management server)  p. 37
7.5.2.14Reference point CSC-4 (between the configuration management client and the configuration management server for configuration while UE is on-network)  p. 37
7.5.2.15Reference point CSC-5 (between the MCPTT server and the configuration management server)  p. 38
7.5.2.16Void  p. …
7.5.2.17Reference point CSC-7 (between the group management servers)  p. 38
7.5.2.18Reference point CSC-8 (between the key management server and the key management client)  p. 38
7.5.2.19Reference point CSC-9 (between the key management server and the MCPTT server)  p. 38
7.5.2.20Reference point CSC-10 (between the key management server and the group management server)  p. 38
7.5.2.21Reference point CSC-11 (between the configuration management client and the configuration management server for configuration while UE is off-network)  p. 39
7.5.2.22Reference point CSC-12 (between the group management client and the group management server for configuration while UE is off-network)  p. 39
7.5.2.23Reference point CSC-13 (between the configuration management server and the MCPTT user database)  p. 39
7.5.2.24Reference point IWF-1 (between the MCPTT server and the interworking function to legacy systems)  p. 39
7.5.3Signalling control plane  p. 39
7.5.3.1General  p. 39
7.5.3.2Reference point SIP-1(between the signalling user agent and the SIP core)  p. 39
7.5.3.3Reference point SIP-2 (between the SIP core and the SIP AS)  p. 40
7.5.3.4Reference point SIP-3 (between the SIP core and SIP core)  p. 40
7.5.3.5Reference point HTTP-1 (between the HTTP client and the HTTP proxy)  p. 40
7.5.3.6Reference point HTTP-2 (between the HTTP proxy and the HTTP server)  p. 40
7.5.3.7Reference point HTTP-3 (between the HTTP proxy and HTTP proxy)  p. 40
7.5.3.8Reference point AAA-1 (between the SIP database and the SIP core)  p. 40
8Identities  p. 41
8.1Application plane  p. 41
8.1.1Mission Critical user identity (MC ID)  p. 41
8.1.2MCPTT user identity (MCPTT ID)  p. 41
8.1.3MCPTT group identity (MCPTT group ID)  p. 41
8.1.3.1General  p. 41
8.1.3.2MCPTT group ID management (off-network operation)  p. 42
8.2SIP signalling control plane  p. 42
8.3Relationship between identities in different planes  p. 43
8.3.1Relationship between MCPTT ID and public user identity  p. 43
8.3.2Relationship between MCPTT group ID and public service identity  p. 43
9Application of functional model to deployments  p. 44
9.1General  p. 44
9.2Architecture model and deployment scenarios for on-network operations  p. 44
9.2.1On-network architectural model  p. 44
9.2.1.1On-network architectural model diagram  p. 44
9.2.1.2Application services layer  p. 45
9.2.1.2.1Overview  p. 45
9.2.1.2.2Common services core  p. 45
9.2.1.2.3MCPTT application service  p. 45
9.2.1.3SIP core  p. 45
9.2.1.4EPS  p. 45
9.2.1.5UE 1  p. 45
9.2.1.6UE 2  p. 45
9.2.2Deployment scenarios  p. 46
9.2.2.1Administration of MCPTT application service, SIP core and EPS  p. 46
9.2.2.1.1General  p. 46
9.2.2.1.2Common administration of all planes  p. 46
9.2.2.1.3MCPTT service provider separate from SIP core and EPS  p. 47
9.2.2.1.4MCPTT service provider administers SIP core, separate from EPS  p. 47
9.2.2.1.5SIP core partially administered by both PLMN operator and MCPTT service provider  p. 48
9.2.2.1.6PLMN operator administers SIP core with SIP identities administered by MCPTT service provider  p. 49
9.2.2.2MCPTT user database, SIP database and HSS  p. 49
9.2.2.3Control of bearers by SIP core and MCPTT server  p. 52
9.2.2.3.1General  p. 52
9.2.2.3.2Control of bearers by SIP core  p. 52
9.2.2.3.3Control of bearers by MCPTT server  p. 53
9.3Architecture model for off-network operations  p. 53
9.3.1Off-network architectural model diagram  p. 53
9.3.2UE 3  p. 54
9.3.3UE 4  p. 54
9.3.4Off-line common services server  p. 54
9.4Architecture model for roaming  p. 55
10Procedures and information flows  p. 55
10.1MCPTT configuration  p. 55
10.1.1General  p. 55
10.1.2Information flows for MCPTT configuration  p. 56
10.1.2.1Store group configuration request  p. 56
10.1.2.2Store group configuration response  p. 56
10.1.2.3Get group configuration request  p. 56
10.1.2.4Get group configuration response  p. 56
10.1.2.5Subscribe group configuration request  p. 57
10.1.2.6Subscribe group configuration response  p. 57
10.1.2.7Notify group configuration request  p. 57
10.1.2.8Notify group configuration response  p. 57
10.1.3MCPTT UE configuration data  p. 57
10.1.3.1General  p. 57
10.1.3.2Procedures  p. 57
10.1.3.3Structure of UE configuration data  p. 58
10.1.4MCPTT user profile  p. 58
10.1.4.1General  p. 58
10.1.4.1aInformation flows for MCPTT user profile  p. 59
10.1.4.1a.1Get MCPTT user profile request  p. 59
10.1.4.1a.2Get MCPTT user profile response  p. 59
10.1.4.1a.3Notification for MCPTT user profile data update  p. 59
10.1.4.1a.4Get updated MCPTT user profile data request  p. 59
10.1.4.1a.5Get updated MCPTT user profile data response  p. 60
10.1.4.1a.6Update MCPTT user profile data request  p. 60
10.1.4.1a.7Update MCPTT user profile data response  p. 60
10.1.4.2MCPTT user obtains the MCPTT user profile(s) from the network  p. 60
10.1.4.3MCPTT user receives updated MCPTT user profile data from the network  p. 61
10.1.4.4MCPTT user updates the MCPTT user profile data to the network  p. 62
10.1.5MCPTT group configuration management  p. 62
10.1.5.1Store group configurations at the group management server  p. 62
10.1.5.2Retrieve group configurations at the group management client  p. 63
10.1.5.3Subscription and notification for group configuration data  p. 64
10.1.5.4Structure of group configuration data  p. 65
10.1.5.5Dynamic data associated with a group  p. 65
10.2User authentication and authorization for MCPTT service  p. 65
10.3Affiliation to MCPTT group(s)  p. 66
10.3.1General  p. 66
10.3.2Information flows for affiliation  p. 66
10.3.2.1MCPTT group affiliation request  p. 66
10.3.2.1aMCPTT group affiliation request (MCPTT server - MCPTT server)  p. 67
10.3.2.2MCPTT group affiliation response  p. 67
10.3.2.2aMCPTT group affiliation response (MCPTT server - MCPTT server)  p. 67
10.3.2.3Group affiliation status update  p. 67
10.3.2.4MCPTT group de-affiliation request  p. 68
10.3.2.4aMCPTT group de-affiliation request (MCPTT server - MCPTT server)  p. 68
10.3.2.5MCPTT group de-affiliation response  p. 68
10.3.2.5aMCPTT group de-affiliation response (MCPTT server - MCPTT server)  p. 68
10.3.2.6Group de-affiliation status update  p. 69
10.3.2.7MCPTT group affiliation change request  p. 69
10.3.2.8MCPTT group affiliation change response  p. 69
10.3.3Affiliation  p. 69
10.3.3.1MCPTT group affiliation procedure  p. 69
10.3.3.2Affiliation to MCPTT group(s) defined in partner MCPTT system  p. 71
10.3.3.2.1Functional description  p. 71
10.3.3.2.2Procedure  p. 71
10.3.4De-affiliation from MCPTT group(s)  p. 72
10.3.4.1General  p. 72
10.3.4.2MCPTT group de-affiliation procedure  p. 72
10.3.4.3De-affiliation from MCPTT group(s) defined in partner MCPTT system  p. 73
10.3.5Remote change of affiliation  p. 75
10.3.5.1Remote change of affiliation for groups defined in primary MCPTT system  p. 75
10.3.5.1.1Authorized user remotely changes another MCPTT user's affiliated MCPTT group(s) - mandatory mode  p. 75
10.3.5.1.2Authorized user remotely changes another MCPTT user's affiliated MCPTT group(s) - negotiated mode  p. 76
10.3.5.2Remote change of affiliation for groups defined in partner MCPTT system  p. 78
10.3.5.2.1Authorized user remotely changes another MCPTT user's affiliated MCPTT group(s) defined in partner MCPTT system - mandatory mode  p. 78
10.4Group management (on-network)  p. 79
10.4.1General  p. 79
10.4.2Information flows for group management  p. 80
10.4.2.1Group creation request  p. 80
10.4.2.2Group creation confirmation response  p. 80
10.4.2.3Group regroup request  p. 80
10.4.2.4Group regroup confirmation response  p. 80
10.4.2.5Group regroup teardown request  p. 81
10.4.2.6Group regroup teardown response  p. 81
10.4.2.7Group creation notify  p. 81
10.4.2.8Group regroup notify  p. 81
10.4.2.9Group regroup teardown notify  p. 81
10.4.2.9aGroup regroup teardown notification  p. 82
10.4.2.9bGroup regroup teardown notification response  p. 82
10.4.2.10Group regroup request  p. 82
10.4.2.11Group regroup response  p. 82
10.4.2.12Group regroup notification  p. 82
10.4.2.13Group regroup notification response  p. 83
10.4.3Group creation  p. 83
10.4.4Group regrouping  p. 84
10.4.4.1Temporary group formation - group regrouping within an MCPTT system  p. 84
10.4.4.2Temporary group formation involving multiple MCPTT systems  p. 85
10.4.4.3Temporary group tear down involving multiple group host servers  p. 87
10.5Pre-established session (on-network)  p. 89
10.5.1General  p. 89
10.5.2Information flows for pre-established session  p. 89
10.5.2.1Pre-established session establishment  p. 89
10.5.2.2Pre-established session modification  p. 90
10.5.2.3Pre-established session release - client initiated  p. 90
10.5.2.4Pre-established session release - server initiated  p. 91
10.5.2.5Pre-established session call connect request  p. 91
10.5.2.6Pre-established session call disconnect request  p. 91
10.5.3Procedures  p. 92
10.5.3.1General  p. 92
10.5.3.2Pre-established session establishment  p. 92
10.5.3.3Pre-established session modification  p. 94
10.5.3.4Pre-established session release  p. 95
10.5.3.5Call connect and disconnect procedures using pre-established session  p. 96
10.5.3.5.1Call connect and disconnect over unicast  p. 96
10.6Group call  p. 97
10.6.1General  p. 97
10.6.2On-network group call  p. 97
10.6.2.1General  p. 97
10.6.2.2Information flows for group call in on-network  p. 97
10.6.2.2.1MCPTT emergency group call request  p. 97
10.6.2.2.1aMCPTT emergency group call response  p. 97
10.6.2.2.2MCPTT emergency group call cancel request  p. 97
10.6.2.2.2aMCPTT emergency group call cancel response  p. 98
10.6.2.2.3MCPTT emergency alert request  p. 98
10.6.2.2.3aMCPTT emergency alert response  p. 99
10.6.2.2.4MCPTT emergency state cancel request  p. 99
10.6.2.2.4aMCPTT emergency state cancel response  p. 99
10.6.2.2.5MCPTT imminent peril group call request  p. 99
10.6.2.2.5aMCPTT imminent peril group call response  p. 100
10.6.2.2.6MCPTT imminent peril group call cancel request  p. 100
10.6.2.2.6aMCPTT imminent peril group call cancel response  p. 100
10.6.2.2.7Group call request (MCPTT client - MCPTT server)  p. 100
10.6.2.2.8Group call request (MCPTT server - MCPTT server)  p. 101
10.6.2.2.9Group call request (MCPTT server - MCPTT client)  p. 101
10.6.2.2.10Group call response (MCPTT server - MCPTT client)  p. 101
10.6.2.2.11Group call response (MCPTT server - MCPTT server)  p. 101
10.6.2.2.12Group call response (MCPTT client - MCPTT server)  p. 102
10.6.2.2.13Group call notify (MCPTT server - MCPTT client)  p. 102
10.6.2.2.14Group call release request (MCPTT server - MCPTT client)  p. 102
10.6.2.2.15Group call release request (MCPTT server - MCPTT server)  p. 102
10.6.2.2.16Group call release response (MCPTT client - MCPTT server)  p. 103
10.6.2.2.17Group call release response (MCPTT server - MCPTT server)  p. 103
10.6.2.2.18Group call rejoin request (MCPTT client - MCPTT server)  p. 103
10.6.2.2.19Group call rejoin response (MCPTT server - MCPTT client)  p. 103
10.6.2.2.20Group join request (MCPTT client - MCPTT server)  p. 104
10.6.2.2.21Group join response (MCPTT server - MCPTT client)  p. 104
10.6.2.2.22Group call leave request (MCPTT server - MCPTT client)  p. 104
10.6.2.2.23Group call leave response (MCPTT client - MCPTT server)  p. 105
10.6.2.2.24Group interrogate request (MCPTT server - MCPTT server)  p. 105
10.6.2.2.25Group interrogate response (MCPTT server - MCPTT server)  p. 105
10.6.2.3Group call within one MCPTT system  p. 105
10.6.2.3.1Group call models  p. 105
10.6.2.3.1.1Pre-arranged group call  p. 105
10.6.2.3.1.2Chat group call  p. 110
10.6.2.3.2Exiting group call due to de-affiliation  p. 115
10.6.2.4Group call involving groups from multiple MCPTT systems  p. 116
10.6.2.4.1Group call for temporary groups across multiple MCPTT systems  p. 116
10.6.2.4.1.1Group call setup  p. 116
10.6.2.4.1.2Group call release  p. 118
10.6.2.4.2Group call for temporary group formed by group regroup procedure involving multiple MCPTT systems via trusted mode  p. 120
10.6.2.4.3Group call for an MCPTT group defined in the partner MCPTT system  p. 121
10.6.2.4.3.1Group call setup procedure - initiating side  p. 121
10.6.2.4.3.2Group call setup - terminating side  p. 122
10.6.2.4.4Merging of groups involving multiple MCPTT systems  p. 123
10.6.2.5Broadcast group call  p. 124
10.6.2.5.1General  p. 124
10.6.2.5.2Common broadcast group call procedure  p. 124
10.6.2.5.3Temporary group - broadcast group call procedure  p. 125
10.6.2.6Emergency and imminent peril procedures  p. 126
10.6.2.6.1MCPTT emergency group call  p. 126
10.6.2.6.1.1MCPTT emergency group call commencement  p. 126
10.6.2.6.1.2MCPTT group call upgraded to an MCPTT emergency group call  p. 128
10.6.2.6.1.3MCPTT emergency group call cancel  p. 130
10.6.2.6.2MCPTT imminent peril group call  p. 132
10.6.2.6.2.1MCPTT imminent peril group call commencement  p. 132
10.6.2.6.2.2Imminent peril group call upgrade  p. 134
10.6.2.6.2.3MCPTT imminent peril group call cancel  p. 136
10.6.2.6.3MCPTT emergency alert  p. 137
10.6.2.6.3.1MCPTT emergency alert initiation  p. 137
10.6.2.6.3.2MCPTT emergency state cancel  p. 139
10.6.3Off-network group call  p. 140
10.6.3.1General  p. 140
10.6.3.2Information flows for group call in off-network  p. 140
10.6.3.2.1Group call announcement  p. 140
10.6.3.2.2MCPTT upgrade to emergency call  p. 141
10.6.3.2.3MCPTT emergency group cancel  p. 141
10.6.3.2.4Response  p. 141
10.6.3.2.5MCPTT emergency alert request  p. 142
10.6.3.2.6MCPTT emergency alert cancel  p. 142
10.6.3.2.7MCPTT upgrade to imminent peril call  p. 142
10.6.3.2.8MCPTT imminent peril group call cancel  p. 142
10.6.3.3Group call setup  p. 143
10.6.3.4Passive join to group call  p. 144
10.6.3.5Join to ongoing group call when new entry member initiates the call with on-going group call id  p. 145
10.6.3.6Immediate group call announcement to join an ongoing group call  p. 146
10.6.3.7Group call release due to inactivity  p. 147
10.6.3.8Broadcast group call  p. 147
10.6.3.9Emergency and imminent peril procedures  p. 148
10.6.3.9.1Emergency group call  p. 148
10.6.3.9.2MCPTT imminent peril  p. 149
10.6.3.9.3MCPTT emergency alert  p. 149
10.6.3.9.3.1MCPTT emergency alert initiation  p. 149
10.6.3.9.3.2MCPTT emergency state cancel  p. 151
10.7Private call  p. 152
10.7.1General  p. 152
10.7.2Private call in on-network  p. 152
10.7.2.1Information flows for private call in on-network  p. 152
10.7.2.1.1MCPTT private call request (MCPTT client - MCPTT server)  p. 152
10.7.2.1.2MCPTT private call request (MCPTT server - MCPTT server)  p. 152
10.7.2.1.2aMCPTT private call request (MCPTT server - MCPTT client)  p. 153
10.7.2.1.3MCPTT private call response (MCPTT client - MCPTT server)  p. 153
10.7.2.1.4MCPTT private call response  p. 153
10.7.2.1.4aMCPTT call end request  p. 154
10.7.2.1.5MCPTT emergency private call request (MCPTT client to MCPTT server)  p. 154
10.7.2.1.5aMCPTT emergency private call request (MCPTT server to MCPTT client)  p. 154
10.7.2.1.6MCPTT progress indication  p. 155
10.7.2.1.7MCPTT ringing  p. 155
10.7.2.2Private call within one MCPTT system  p. 155
10.7.2.2.1Private call setup in automatic commencement mode  p. 155
10.7.2.2.2Private call setup in manual commencement mode  p. 157
10.7.2.2.2.1Description  p. 157
10.7.2.2.2.2Procedure  p. 157
10.7.2.2.3Private call release  p. 159
10.7.2.2.3.1Client initiated  p. 159
10.7.2.2.3.2Server initiated  p. 160
10.7.2.3Private call within several MCPTT systems  p. 161
10.7.2.3.1Private call setup in automatic commencement mode - MCPTT users in multiple MCPTT systems  p. 161
10.7.2.3.2Private call setup in manual commencement mode - MCPTT users in multiple MCPTT systems  p. 163
10.7.2.3.3Private call release - MCPTT users in multiple MCPTT systems  p. 165
10.7.2.4MCPTT emergency private call  p. 165
10.7.2.4.1MCPTT emergency private call commencement  p. 165
10.7.2.4.2MCPTT private call emergency upgrade  p. 167
10.7.3Private call in off-network  p. 168
10.7.3.1Information flows for private call in off-network  p. 168
10.7.3.1.1Call setup request  p. 168
10.7.3.1.2Call setup response  p. 168
10.7.3.1.3Call release request  p. 168
10.7.3.1.4Call release response  p. 168
10.7.3.2Use of ProSe capability for private call  p. 169
10.7.3.3Private call setup in automatic commencement mode  p. 169
10.7.3.4Private call setup in manual commencement mode  p. 170
10.7.3.5Private call release  p. 171
10.7.3.6MCPTT emergency private call  p. 172
10.8Simultaneous session for MCPTT call  p. 172
10.8.1General  p. 172
10.9Floor control  p. 172
10.9.1Floor control for on-network MCPTT service  p. 172
10.9.1.1General  p. 172
10.9.1.2Information flows for floor control for on-network  p. 173
10.9.1.2.1General  p. 173
10.9.1.2.2Floor request  p. 173
10.9.1.2.3Floor granted  p. 173
10.9.1.2.4Floor rejected  p. 173
10.9.1.2.5Floor request cancel  p. 174
10.9.1.2.6Floor request cancel response  p. 174
10.9.1.2.7Floor request cancel notify  p. 174
10.9.1.2.8Floor idle  p. 175
10.9.1.2.9Floor release  p. 175
10.9.1.2.10Floor taken  p. 175
10.9.1.2.11Floor revoked  p. 175
10.9.1.2.12Floor acknowledgement  p. 176
10.9.1.2.13Queue position request  p. 176
10.9.1.2.14Queue position info  p. 176
10.9.1.3Floor control within one MCPTT system  p. 176
10.9.1.3.1Floor request, floor granted and floor taken during an MCPTT session  p. 176
10.9.1.3.2Floor override  p. 178
10.9.1.3.2.1Floor override using floor revoked (also floor rejected) during an MCPTT session  p. 178
10.9.1.3.2.2Floor override without using floor revoked during an MCPTT session  p. 179
10.9.1.3.3Queue position during an MCPTT session  p. 180
10.9.1.3.4Floor request cancellation from the floor request queue  p. 181
10.9.1.3.4.1Floor request cancellation from the queue - MCPTT user initiated  p. 181
10.9.1.3.4.2Floor request cancellation from the queue - floor control server initiated  p. 182
10.9.1.4Floor control involving groups from multiple MCPTT systems  p. 183
10.9.1.4.1Partner MCPTT system routes all floor control messages to primary MCPTT system's floor control server  p. 183
10.9.1.4.2Partner MCPTT system performs filtering of floor control messages entering and leaving the partner MCPTT system  p. 185
10.9.2Floor control for off-network MCPTT service  p. 188
10.9.2.1General  p. 188
10.9.2.2Information flows for floor control for off-network  p. 189
10.9.2.2.1General  p. 189
10.9.2.2.2Floor granted  p. 189
10.9.2.3Floor control during silence  p. 189
10.9.2.3.1Successful floor taken (No floor contention)  p. 189
10.9.2.4Simultaneous floor requests  p. 190
10.9.2.5Floor request during speaking with queue  p. 190
10.9.2.6Floor request during speaking without queue  p. 191
10.9.2.7Override  p. 192
10.9.2.8Floor queue status  p. 193
10.10Use of MBMS transmission (on-network)  p. 194
10.10.1Information flows for MBMS Transmission  p. 194
10.10.1.1MBMS bearer announcement  p. 194
10.10.1.2MapGroupToBearer  p. 195
10.10.1.3UnmapGroupFromBearer  p. 195
10.10.1.4MBMS listening status report  p. 195
10.10.2Use of pre-established MBMS bearers  p. 195
10.10.2.1General  p. 195
10.10.2.2Procedure  p. 196
10.10.3Use of dynamic MBMS bearer establishment  p. 197
10.10.4Call connect and disconnect over MBMS  p. 198
10.10.4.1General  p. 198
10.10.4.2Procedure  p. 198
10.10.4.2.1Call connect over MBMS  p. 198
10.10.4.2.2Call disconnect over MBMS  p. 199
10.10.5Switching from MBMS bearer to unicast bearer  p. 200
10.11MCPTT resource management (on-network)  p. 201
10.11.1General  p. 201
10.11.2Request for unicast resources at session establishment  p. 201
10.11.3Request for modification of unicast resources  p. 202
10.11.4Management of multicast media bearers  p. 203
10.11.5Request for resources with shared priority  p. 204
10.11.5.1General  p. 204
10.11.5.2Procedure  p. 204
10.12MCPTT media plane transmissions with partner MCPTT systems (on-network)  p. 205
10.13Use of UE-to-network relay  p. 207
10.13.1UE-to-network relay service authorization  p. 207
10.13.2UE-to-network relay MCPTT service  p. 207
10.14Location information (on-network)  p. 207
10.14.1General  p. 207
10.14.2Information flows for location information  p. 207
10.14.2.1Location reporting configuration  p. 207
10.14.2.2Location information report  p. 208
10.14.2.3Location information request  p. 208
10.14.2.4Event-triggered location reporting procedure  p. 208
10.14.2.5On-demand location reporting procedure  p. 209
AService continuity for MCPTT  p. 211
A.1Service continuity between on-network MCPTT service and UE-to-network relay MCPTT service  p. 211
B(Normative)  MCPTT related data  p. 214
B.1General  p. 214
B.2UE configuration data  p. 214
B.3MCPTT user profile data  p. 215
B.4Group configuration data  p. 220
B.5Service configuration data  p. 223
B.6Initial UE configuration data  p. 225
CLocal UE settings for MCPTT  p. 226
C.1Local UE settings for MCPTT  p. 226
DChange history  p. 227

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