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

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

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1  Scopep. 13

2  Referencesp. 13

3  Definitions, symbols and abbreviationsp. 14

4  Introductionp. 16

5  Assumptions and architectural requirementsp. 17

6  Involved business relationshipsp. 22

7  Functional modelp. 24

7.1  Generalp. 24

7.2  Description of the planesp. 24

7.3  Functional model descriptionp. 24

7.4  Functional entities descriptionp. 28

7.4.1  Generalp. 28

7.4.2  Application planep. 28

7.4.3  Signalling control planep. 31

7.5  Reference pointsp. 35

7.5.1  General reference point principlep. 35

7.5.2  Application planep. 35

7.5.2.1  Generalp. 35

7.5.2.2  Reference point MCPTT-1 (between the MCPTT client and the MCPTT server)p. 35

7.5.2.3  Reference point MCPTT-2 (between the MCPTT server and the MCPTT user database)p. 36

7.5.2.4  Reference point MCPTT-3 (between the MCPTT server and the MCPTT server)p. 36

7.5.2.5  Reference point MCPTT-4 (unicast between the floor control server and the floor participant)p. 36

7.5.2.6  Reference point MCPTT-5 (between the media distribution function and the EPS)p. 36

7.5.2.7  Reference point MCPTT-6 (between the MCPTT server and the EPS)p. 36

7.5.2.8  Reference point MCPTT-7 (unicast between the media distribution function and the media mixer)p. 36

7.5.2.9  Reference point MCPTT-8 (multicast between the media distribution function and the media mixer)p. 37

7.5.2.10  Reference point MCPTT-9 (multicast between the floor control server and the floor participant)p. 37

7.5.2.11  Reference point CSC-1 (between the identity management client and the identity management server)p. 37

7.5.2.12  Reference point CSC-2 (between the group management client and the group management server for configuration while UE is on-network)p. 37

7.5.2.13  Reference point CSC-3 (between the MCPTT server and the group management server)p. 37

7.5.2.14  Reference point CSC-4 (between the configuration management client and the configuration management server for configuration while UE is on-network)p. 37

7.5.2.15  Reference point CSC-5 (between the MCPTT server and the configuration management server)p. 38

7.5.2.16Void

7.5.2.17  Reference point CSC-7 (between the group management servers)p. 38

7.5.2.18  Reference point CSC-8 (between the key management server and the key management client)p. 38

7.5.2.19  Reference point CSC-9 (between the key management server and the MCPTT server)p. 38

7.5.2.20  Reference point CSC-10 (between the key management server and the group management server)p. 38

7.5.2.21  Reference point CSC-11 (between the configuration management client and the configuration management server for configuration while UE is off-network)p. 39

7.5.2.22  Reference point CSC-12 (between the group management client and the group management server for configuration while UE is off-network)p. 39

7.5.2.23  Reference point CSC-13 (between the configuration management server and the MCPTT user database)p. 39

7.5.2.24  Reference point IWF-1 (between the MCPTT server and the interworking function to legacy systems)p. 39

7.5.3  Signalling control planep. 39

8  Identitiesp. 41

9  Application of functional model to deploymentsp. 44

9.1  Generalp. 44

9.2  Architecture model and deployment scenarios for on-network operationsp. 44

9.3  Architecture model for off-network operationsp. 53

9.4  Architecture model for roamingp. 55

10  Procedures and information flowsp. 55

10.1  MCPTT configurationp. 55

10.1.1  Generalp. 55

10.1.2  Information flows for MCPTT configurationp. 56

10.1.3  MCPTT UE configuration datap. 57

10.1.4  MCPTT user profilep. 58

10.1.5  MCPTT group configuration managementp. 62

10.2  User authentication and authorization for MCPTT servicep. 65

10.3  Affiliation to MCPTT group(s)p. 66

10.3.1  Generalp. 66

10.3.2  Information flows for affiliationp. 66

10.3.3  Affiliationp. 69

10.3.4  De-affiliation from MCPTT group(s)p. 72

10.3.5  Remote change of affiliationp. 75

10.4  Group management (on-network)p. 79

10.5  Pre-established session (on-network)p. 89

10.6  Group callp. 97

10.6.1  Generalp. 97

10.6.2  On-network group callp. 97

10.6.2.1  Generalp. 97

10.6.2.2  Information flows for group call in on-networkp. 97

10.6.2.2.1  MCPTT emergency group call requestp. 97
10.6.2.2.1a  MCPTT emergency group call responsep. 97
10.6.2.2.2  MCPTT emergency group call cancel requestp. 97
10.6.2.2.2a  MCPTT emergency group call cancel responsep. 98
10.6.2.2.3  MCPTT emergency alert requestp. 98
10.6.2.2.3a  MCPTT emergency alert responsep. 99
10.6.2.2.4  MCPTT emergency state cancel requestp. 99
10.6.2.2.4a  MCPTT emergency state cancel responsep. 99
10.6.2.2.5  MCPTT imminent peril group call requestp. 99
10.6.2.2.5a  MCPTT imminent peril group call responsep. 100
10.6.2.2.6  MCPTT imminent peril group call cancel requestp. 100
10.6.2.2.6a  MCPTT imminent peril group call cancel responsep. 100
10.6.2.2.7  Group call request (MCPTT client - MCPTT server)p. 100
10.6.2.2.8  Group call request (MCPTT server - MCPTT server)p. 101
10.6.2.2.9  Group call request (MCPTT server - MCPTT client)p. 101
10.6.2.2.10  Group call response (MCPTT server - MCPTT client)p. 101
10.6.2.2.11  Group call response (MCPTT server - MCPTT server)p. 101
10.6.2.2.12  Group call response (MCPTT client - MCPTT server)p. 102
10.6.2.2.13  Group call notify (MCPTT server - MCPTT client)p. 102
10.6.2.2.14  Group call release request (MCPTT server - MCPTT client)p. 102
10.6.2.2.15  Group call release request (MCPTT server - MCPTT server)p. 102
10.6.2.2.16  Group call release response (MCPTT client - MCPTT server)p. 103
10.6.2.2.17  Group call release response (MCPTT server - MCPTT server)p. 103
10.6.2.2.18  Group call rejoin request (MCPTT client - MCPTT server)p. 103
10.6.2.2.19  Group call rejoin response (MCPTT server - MCPTT client)p. 103
10.6.2.2.20  Group join request (MCPTT client - MCPTT server)p. 104
10.6.2.2.21  Group join response (MCPTT server - MCPTT client)p. 104
10.6.2.2.22  Group call leave request (MCPTT server - MCPTT client)p. 104
10.6.2.2.23  Group call leave response (MCPTT client - MCPTT server)p. 105
10.6.2.2.24  Group interrogate request (MCPTT server - MCPTT server)p. 105
10.6.2.2.25  Group interrogate response (MCPTT server - MCPTT server)p. 105

10.6.2.3  Group call within one MCPTT systemp. 105

10.6.2.4  Group call involving groups from multiple MCPTT systemsp. 116

10.6.2.5  Broadcast group callp. 124

10.6.2.6  Emergency and imminent peril proceduresp. 126

10.6.3  Off-network group callp. 140

10.7  Private callp. 152

10.7.1  Generalp. 152

10.7.2  Private call in on-networkp. 152

10.7.2.1  Information flows for private call in on-networkp. 152

10.7.2.2  Private call within one MCPTT systemp. 155

10.7.2.3  Private call within several MCPTT systemsp. 161

10.7.2.4  MCPTT emergency private callp. 165

10.7.3  Private call in off-networkp. 168

10.8  Simultaneous session for MCPTT callp. 172

10.8.1  Generalp. 172

10.9  Floor controlp. 172

10.9.1  Floor control for on-network MCPTT servicep. 172

10.9.1.1  Generalp. 172

10.9.1.2  Information flows for floor control for on-networkp. 173

10.9.1.3  Floor control within one MCPTT systemp. 176

10.9.1.4  Floor control involving groups from multiple MCPTT systemsp. 183

10.9.2  Floor control for off-network MCPTT servicep. 188

10.10  Use of MBMS transmission (on-network)p. 194

10.11  MCPTT resource management (on-network)p. 201

10.12  MCPTT media plane transmissions with partner MCPTT systems (on-network)p. 205

10.13  Use of UE-to-network relayp. 207

10.14  Location information (on-network)p. 207

A  Service continuity for MCPTTp. 211

B (Normative)  MCPTT related datap. 214

C  Local UE settings for MCPTTp. 226

D  Change historyp. 227


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