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Content for  TS 23.247  Word version:  18.4.0

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9.3 AMF Services  9.3.1 General  9.3.2 Namf_MBSBroadcast service  9.3.2.1 General  9.3.2.2 Namf_MBSBroadcast_ContextCreate service operation  9.3.2.3 Namf_MBSBroadcast_ContextUpdate service operation  9.3.2.4 Namf_MBSBroadcast_ContextRelease service operation  9.3.2.5 Namf_MBSBroadcast_ContextStatusNotify service operation  9.3.3 Namf_MBSCommunication Service  9.3.3.1 General  9.3.3.2 Namf_MBSCommunication_N2MessageTransfer service operation 
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9.3  AMF Services  p. 122

9.3.1  General  p. 122

The Namf_MT_EnableGroupReachability service operation is defined in TS 23.502.
The following Table illustrates the new AMF Service for broadcast communication.
Service Name Service Operations Operation Semantics Example Consumer (s)
Namf_MBSBroadcastContextCreateRequest/ResponseMB-SMF
ContextUpdateRequest/ResponseMB-SMF
ContextReleaseRequest/ResponseMB-SMF
ContextStatusNotifySubscribe/NotifyMB-SMF
Namf_MBSCommunicationN2MessageTransferRequest/ResponseMB-SMF
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9.3.2  Namf_MBSBroadcast service  p. 122

9.3.2.1  General  p. 122

Service description:
This service is used by the consumer for broadcast communication.

9.3.2.2  Namf_MBSBroadcast_ContextCreate service operation  p. 122

Service operation name:
Namf_MBSBroadcast_ContextCreate
Description:
This service operation is used to create the broadcast session context towards the AMF.
Inputs, Required:
MBS Session ID, Broadcast service area, N2 container (e.g. MBS Session ID, MBS QoS profile, Broadcast service area), Notification Endpoint.
Inputs, Optional:
Area Session ID, Optional parameters in the N2 container (MBS IP Multicast Tunnel Info, Area Session ID, MBS FSA ID(s), Associated Session ID for resource sharing across broadcast MBS Sessions during network sharing).
Outputs, Required:
Result Indication.
Outputs, Optional:
N2 container (MBS Session ID, Area Session ID, NG-RAN MBS Tunnel Info).
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9.3.2.3  Namf_MBSBroadcast_ContextUpdate service operation  p. 122

Service operation name:
Namf_MBSBroadcast_ContextUpdate
Description:
This service operation is used to update the broadcast session context towards the AMF.
Inputs, Required:
MBS Session ID.
Inputs, Optional:
Broadcast service area, N2 container (MBS Session ID, Possible MBS QoS profile, Possible Broadcast service area, Possible Area Session ID, Possible MBS IP Multicast Tunnel Info, MBS FSA ID(s)), Notification Endpoint.
Outputs, Required:
Result Indication.
Outputs, Optional:
N2 container (MBS Session ID, Area Session ID, NG-RAN MBS Tunnel Info).

9.3.2.4  Namf_MBSBroadcast_ContextRelease service operation  p. 123

Service operation name:
Namf_MBSBroadcast_ContextRelease
Description:
This service operation is used to release the broadcast session context towards the AMF.
Inputs, Required:
MBS Session ID, N2 container (MBS Session ID).
Inputs, Optional:
None.
Outputs, Required:
Result Indication.
Outputs, Optional:
None.

9.3.2.5  Namf_MBSBroadcast_ContextStatusNotify service operation  p. 123

Service operation name:
Namf_MBSBroadcast_ContextStatusNotify
Description:
This service operation is used to notify its consumers about the status change of a broadcast session context.
Inputs, Required:
MBS Session ID.
Inputs, Optional:
Event ID (e.g. change of NG-RAN MBS Tunnel Info), N2 SM information.
Outputs, Required:
Result Indication.
Outputs, Optional:
None.

9.3.3  Namf_MBSCommunication Service  p. 123

9.3.3.1  General  p. 123

Service description:
This service enables MBS multicast related N2 message transfer towards the NG-RAN via the AMF, during multicast session activation/deactivation/update/release.

9.3.3.2  Namf_MBSCommunication_N2MessageTransfer service operation  p. 123

Service operation name:
Namf_MBSCommunication_N2MessageTransfer
Description:
This service operation is used by the NF Consumer to request the AMF to transfer the MBS related N2 message to the NG-RAN nodes serving the MBS multicast session.
Input, Required:
MBS Session ID, N2 SM information.
Input, Optional:
MBS Area Session ID.
Output, Required:
Result Indication.
Output, Optional:
Cause.

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