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Content for  TS 23.280  Word version:  17.5.0

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10.2 Group management (on-network)10.2.1 General10.2.2 Information flows for group management10.2.2.1 Group creation request10.2.2.2 Group creation response10.2.2.3 Group regroup request (group management client - group management server)10.2.2.4 Group regroup response (group management server - group management client)10.2.2.5 Group regroup teardown request10.2.2.6 Group regroup teardown response10.2.2.7 Group creation notify10.2.2.8 Group regroup notify10.2.2.9 Group regroup teardown notify10.2.2.10 Group regroup teardown notification10.2.2.11 Group regroup teardown notification response10.2.2.12 Group regroup request (group management server - group management server)10.2.2.13 Group regroup response (group management server - group management server)10.2.2.14 Group regroup notification10.2.2.15 Group regroup notification response10.2.2.16 Group information query request10.2.2.17 Group information query response10.2.2.18 Group membership update request10.2.2.19 Group membership update response10.2.2.20 Group membership notification10.2.2.21 Group deletion request10.2.2.22 Group deletion response10.2.2.23 Group deletion notification10.2.2.24 Group information provision request10.2.2.25 Group information provision response10.2.2.26 Group information request10.2.2.27 Group information response10.2.2.28 Group information subscribe request10.2.2.29 Group information subscribe response10.2.2.30 Group information notify request10.2.2.31 Group information notify response
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10.2  Group management (on-network)

10.2.1  General

Group management procedures apply to on-network MC service only.
Group creation provides a dedicated MC service group to individual MC service users to enable the required communication for one or multiple MC services. This includes the normal group creation by administrators as well as user regrouping by authorized user/dispatcher.
For an MC service, group regrouping enables dispatchers or authorized users to temporarily combine several MC service groups.
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10.2.2  Information flows for group managementWord‑p. 95

10.2.2.1  Group creation request

Table 10.2.2.1-1 describes the information flow group creation request from the group management client to the group management server.
Information element Status Description
MC service ID listMList of MC service IDs that are part of the group to be created corresponding to the list of the configured services (see NOTE 1)
MC service list (see NOTE 2)OList of MC services whose service communications are to be enabled on the group.
Proposed MC service group IDOMC service group ID proposed for the requested group
MC service group configuration dataOConfiguration data for the requested group (see NOTE 3)
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10.2.2.2  Group creation response

Table 10.2.2.2-1 describes the information flow group creation response from the group management server to the group management client.
Information element Status Description
MC service group IDM
(see NOTE)
MC service group ID of the group
ResultMIndicates success or reason for failure
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10.2.2.3  Group regroup request (group management client - group management server)

Table 10.2.2.3-1 describes the information flow for the group regroup request from the group management client to the group management server.
Information element Status Description
MC service group ID listMList of MC service group IDs to be combined
Security level (see NOTE 1)ORequired security level for the temporary group
Priority levelORequired priority level for the temporary group
MC service list (see NOTE 2)OA subset of the common MC service(s) to be applied for the regrouped group
Broadcast regroupOIndicates that only an authorized MC service user can transmit on this temporary group.
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10.2.2.4  Group regroup response (group management server - group management client)Word‑p. 96
Table 10.2.2.4-1 describes the information flow for the group regroup response from the group management server to the group management client.
Information element Status Description
MC service group IDO
(see NOTE)
MC service group ID of the temporary group
MC service listOList of MC services whose service communications are to be enabled on this temporary group
ResultMIndicates the success or failure of group regroup
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10.2.2.5  Group regroup teardown request

Table 10.2.2.5-1 describes the information flow group regroup teardown request from the group management client to the group management server.
Information element Status Description
MC service group IDMMC service group ID of the temporary group which is requested to be torn down
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10.2.2.6  Group regroup teardown response

Table 10.2.2.6-1 describes the information flow group regroup teardown response from the group management server to the group management client.
Information element Status Description
MC service group IDMMC service group ID of the temporary group
ResultMIndicates the success or failure of group regroup teardown
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10.2.2.7  Group creation notify

Table 10.2.2.7-1 describes the information flow group creation notify from the group management server to the MC service server(s).
Information element Status Description
MC service group IDMMC service group ID that was created based on the MC service ID list and the MC services enabled on them
MC service ID listMList of MC service IDs that are part of the created group
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10.2.2.8  Group regroup notifyWord‑p. 97
Table 10.2.2.8-1 describes the information flow group regroup notify from the group management server to the MC service server.
Information element Status Description
MC service group ID listMList of constituent MC service group IDs
MC service group IDMMC service group ID of the temporary group
MC service listOList of MC services whose service communications are to be enabled on this temporary group.
Broadcast regroupOIndicates that only an authorized MC service user can transmit on this temporary group.
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10.2.2.9  Group regroup teardown notify

Table 10.2.2.9-1 describes the information flow group regroup teardown notify from the group management server to the MC service server.
Information element Status Description
MC service group IDMMC service group ID of the temporary group which is being torn down
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10.2.2.10  Group regroup teardown notification

Table 10.2.2.10-1 describes the information flow group regroup teardown notification between group management servers and from the group management server to the group management client.
Information element Status Description
MC service group IDMMC service group ID of the temporary group which is torn down
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10.2.2.11  Group regroup teardown notification response

Table 10.2.2.11-1 describes the information flow group regroup teardown notification response between group management servers and from the group management client to the group management server.
Information element Status Description
MC service group IDMMC service group ID of the temporary group which was torn down
ResultMIndicates the success or failure
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10.2.2.12  Group regroup request (group management server - group management server)Word‑p. 98
Table 10.2.2.12-1 describes the information flow group regroup request between group management servers.
Information element Status Description
MC service group ID listMList of constituent MC service group IDs belonging to the target group management server
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10.2.2.13  Group regroup response (group management server - group management server)

Table 10.2.2.13-1 describes the information flow group regroup response between group management servers.
Information element Status Description
ResultMIndicates whether the group regroup was accepted or rejected by the group management server in the partner system
MC service group ID listMList of constituent MC service group IDs from group management server of the partner system
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10.2.2.14  Group regroup notification

Table 10.2.2.14-1 describes the information flow group regroup notification between group management servers and from the group management server to the group management client.
Information element Status Description
MC service group ID listMList of constituent MC service group IDs
MC service group IDMMC service group ID of the temporary group
Priority levelORequired priority level for the temporary group
Security level (see NOTE)ORequired security level for the temporary group
Broadcast regroupOIndicates that only an authorized MC service user can transmit on this temporary group.
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10.2.2.15  Group regroup notification response

Table 10.2.2.15-1 describes the information flow group regroup notification response between group management servers and from the group management client to the group management server.
Information element Status Description
MC service group ID listMList of constituent MC service group IDs
MC service group IDMMC service group ID of the temporary group
Priority levelMRequired priority level for the temporary group
Security levelMRequired security level for the temporary group
Broadcast regroupOIndicates that only an authorized MC service user can transmit on this temporary group.
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10.2.2.16  Group information query requestWord‑p. 99
Table 10.2.2.16-1 describes the information group information query request from group management client to group management server.
10.2.2.16-1
Information element Status Description
MC service IDMThe identity of the MC service user who performs the query.
MC service group IDMThe identity of the MC service group to be queried.
Query typeMIt indicates the query type, i.e., membership or affiliated group members.
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10.2.2.17  Group information query response

Table 10.2.2.17-1 describes the information flow group information query response from group management server to group management client.
Information element Status Description
MC service IDMThe identity of the MC service user who performs the query.
MC service group IDMThe identity of the MC service group to be queried.
Query typeMIt indicates the query type, e.g., membership or affiliated group members.
Query resultMThe group information retrieved from the group management server based on the query type, i.e., a list of group members or a list of affiliated group member.
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10.2.2.18  Group membership update request

Table 10.2.2.18-1 describes the information flow group membership update request from the group management client to the group management server.
Information element Status Description
MC service group IDMIdentity of the MC service group
MC service ID listMList of identities of the MC service users that are affected by this operation
OperationsMAdd to or delete from the group
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10.2.2.19  Group membership update response

Table 10.2.2.19-1 describes the information flow group membership update response from the group management server to the group management client.
Information element Status Description
MC service group IDMIdentity of the MC service group
ResultMIndicates the success or failure for the operation
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10.2.2.20  Group membership notificationWord‑p. 100
Table 10.2.2.20-1 describes the information flow group membership notification from the group management server to the MC service server.
Information element Status Description
MC service group IDMIdentity of the MC service group
MC service ID listMList of identities of the MC service users that are affected by this operation
OperationsMAdd to or delete from the group
Table 10.2.2.20-2 describes the information flow group membership notification from the group management server to the group management client.
Information element Status Description
MC service group IDMIdentity of the MC service group
OperationsMAdd to or delete from the group
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10.2.2.21  Group deletion request

Table 10.2.2.21-1 describes the information flow group deletion request from the group management client to the group management server.
Information element Status Description
MC service group IDMMC service group ID of the group to delete
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10.2.2.22  Group deletion response

Table 10.2.2.22-1 describes the information flow group deletion response from the group management server to the group management client.
Information element Status Description
MC service group IDMIdentity of the MC service group requested deleted
ResultMIndicates success (group no longer exists), or failure (group deletion did not occur, eg. authorization failure).
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10.2.2.23  Group deletion notification

Table 10.2.2.23-1 describes the information flow group deletion notification from the group management server to the MC service server, and from the group management server to the group management clients for MC service users which are members of the group.
Information element Status Description
MC service group IDMMC service group ID has been deleted.
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10.2.2.24  Group information provision request |R15|Word‑p. 101
Table 10.2.2.24-1 describes the information flow group information provision request from the group management server in the primary MC system of the MC service group to the group management server in the partner MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
MC service group configuration informationMConfiguration information for the MC service group
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10.2.2.25  Group information provision response |R15|

Table 10.2.2.25-1 describes the information flow group information provision response from the group management server in the partner MC system of the MC service group to the group management server in the primary MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
ResultMIndicates success or failure of reception, modification and storage of MC service group configuration information
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10.2.2.26  Group information request |R15|

Table 10.2.2.26-1 describes the information flow group information request from the group management server in the partner MC system of the MC service group to the group management server in the primary MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
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10.2.2.27  Group information response |R15|

Table 10.2.2.27-1 describes the information flow group information response from the group management server in the primary MC system of the MC service group to the group management server in the partner MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
MC service group configuration informationO (see NOTE 1)Configuration information for the MC service group
Failure reasonO (see NOTE 2)Indicates reason for failure to provide MC service group configuration information
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10.2.2.28  Group information subscribe request |R15|Word‑p. 102
Table 10.2.2.28-1 describes the information flow group information subscribe request from the group management server in the partner MC system of the MC service group to the group management server in the primary MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
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10.2.2.29  Group information subscribe response |R15|

Table 10.2.2.29-1 describes the information flow group information subscribe response from the group management server in the primary MC system of the MC service group to the group management server in the partner MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
ResultMIndicates success or failure of the subscribe request
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10.2.2.30  Group information notify request |R15|

Table 10.2.2.30-1 describes the information flow group information notify request from the group management server in the primary MC system of the MC service group to the group management server in the partner MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
MC service group configuration informationMConfiguration information for the MC service group
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10.2.2.31  Group information notify response |R15|

Table 10.2.2.31-1 describes the information flow group information notify response from the group management server in the partner MC system of the MC service group to the group management server in the primary MC system of the MC service group.
Information element Status Description
MC service group IDMMC service group ID of the group
ResultMIndicates success or failure of the notification request
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