See clause 4.15.3.1 and clause 4.15.2a.
In order to support the NWDAF to collect data from the AF via the NEF, the Event IDs associated with available data to be collected from the AF are defined in clause 5.2.19.2.1, which can be subscribed by the NWDAF. The Event filters for the specific Event IDs as defined in clause 5.2.19.2.1 can also be used for collecting data from the AF via the NEF.
the consumer subscribes to receive an event, or if the event is already defined in NEF, then the subscription is updated.
Inputs, Required:
(Set of) Event ID(s) as specified in clause 4.15.3.1 or Npcf_PolicyAuthorization_Notify and Naf_EventExposure_Subscribe service operation, Target of Event Reporting (GPSI, SUPI, UE IPv4 address(es), UE IPv6 prefix(es), External Group Identifier, S-NSSAI, Internal Group Identifier, UE addressing information (IP or MAC address), or indication that any UE is targeted), Event Reporting Information defined in Table 4.15.1-1, Notification Target Address (+ Notification Correlation ID), MTC Provider Information.
Inputs, Optional:
Event Filter, (set of) External Application Identifier(s), Subscription Correlation ID (in the case of modification of the event subscription), Expiry time, list of group member UE(s) whose subscription to event notification(s) are removed or added for a group-based event notification subscription, operation indication (cancellation or addition), DNN, S-NSSAI, Idle Status Indication request (if UE reachability or Availability after DDN failure reporting is requested).
Outputs, Required:
When the subscription is accepted: Subscription Correlation ID, Expiry time (required if the subscription can be expired based on the operator's policy).
Outputs, Optional:
First corresponding event report is included, if available (see clause 4.15.1). External Identifier (representing an AF specific UE Identifier).
NEF reports the event to the consumer that has previously subscribed.
Inputs, Required:
Event ID, Notification Correlation Information, time stamp.
Inputs, Optional:
Event information (defined on a per Event ID basis), Event Removal Indication, list of group member UE(s) whose subscription to event notification(s) are removed from a group-based event notification subscription, UE(s) added/removed to/from the group.
This service is for allowing external party to provision of information which can be used for the UE in 5GS.
In all operations UE addressing information may correspond either to an UE IP address or to a UE MAC address.
The consumer updates the UE related information (e.g. Expected UE Behaviour, Network Configuration parameters, Location Privacy Indication parameters, ECS Address Configuration Information, CAG Information provisioning parameters), Static IP address assignment parameters or 5G VN Group related information (e.g. 5G VN group data, 5G VN membership management), or for Multicast MBS related information or DNN and S-NSSAI specific Group Parameters, DNN, S-NSSAI.
Inputs, Required:
AF Identifier, Transaction Reference ID.
Inputs, Optional:
GPSI or UE addressing information, External Group ID, at least one of the Expected UE Behaviour parameters (optionally with associated confidence and/or accuracy levels) or at least one of the Application-Specific Expected UE Behaviour parameters (optionally with associated confidence and/or accuracy levels) or at least one of the Network Configuration parameters or 5G VN related information or ECS Address Configuration Information, Static IP address assignment parameters, Validity Time or Location Privacy Indication parameters, MTC Provider Information, or Multicast MBS related information, DNN and S-NSSAI specific Group Parameters, DNN, S-NSSAI, PLMN IDs, CAG Information provisioning parameters.
Outputs, Required:
Operation execution result indication.
Outputs, Optional:
Transaction specific parameters, if available. External Identifier (representing an AF specific UE Identifier).
For Multicast MBS related information, refer to TS 23.247.
The consumer provisions UE related information or creates a 5G VN group, or Multicast MBS related information group, or CAG Information.
Inputs, Required:
AF Identifier, Transaction Reference ID.
Inputs, Optional:
GPSI or UE addressing information, one or multiple Expected UE Behaviour parameters (optionally with associated confidence and/or accuracy levels) or one or multiple Application-Specific Expected UE Behaviour parameters (optionally with associated confidence and/or accuracy levels), External Group ID for 5G VN group creation or for multicast MBS group creation, External Group ID, 5G VN group related information (e.g. 5G VN group data, 5G VN membership management), MTC Provider Information, Multicast MBS related information, DNN and S-NSSAI specific Group Parameters, DNN, S-NSSAI, PLMN IDs, ECS Address Configuration Information, Static IP address assignment parameters, CAG Information provisioning parameters.
Outputs, Required:
Operation execution result indication.
Outputs, Optional:
Transaction specific parameters, if available. External Identifier (representing an AF specific UE Identifier).
For Multicast MBS related information, refer to TS 23.247.
The consumer deletes a 5G VN group or deletes a Multicast MBS related information or deletes Static IP address assignment parameters, or deletes CAG Information.
Inputs, Required:
AF Identifier, Transaction Reference ID.
Inputs, Optional:
External Group ID, Static IP address assignment parameters.
Outputs, Required:
Operation execution result indication.
Outputs, Optional:
None.
For Multicast MBS related information, refer to TS 23.247.
Request authorization of NF Service Consumer requests.
Request parameter mapping from NF Service Consumer requests to 5GC parameters and vice versa as described in clause 5.6.7 of TS 23.501.
NF Service Consumer request routing (forwarding) to actual NF Service Producer to influence traffic routing decisions as described in clause 5.6.7 of TS 23.501.
Authorize the request and forward the request for traffic influence.
Inputs, Required:
AF Transaction Id, AF Identifier.
The AF Transaction Id refers to the request.
Inputs, Optional:
The address (IP or Ethernet) of one or more UE(s) if available, one or more GPSIs if available, DNN if available, S-NSSAI if available, External Group Identifier(s) if available, External Application Identifier or traffic filtering information, AF-Service-Identifier, a list of DNAI(s) and corresponding routing profile ID(s) or N6 traffic routing information, Indication of traffic correlation, Indication of application relocation possibility, Indication of UE IP address preservation, Early and/or late notifications about UP path management events, Notification Target Address, immediate reporting flag, Temporal validity condition, Spatial validity condition, User Plane Latency Requirements, Information for EAS IP Replacement in 5GC, Indication for EAS Relocation and AF indication for simultaneous connectivity over source and target PSA at edge relocation, EAS Correlation indication, External Subscriber Category(s), SFC Identifier(s), Metadata, Common EAS IP address, Traffic Correlation ID, FQDN(s), Indication of considering N6 delay and Header Handling Control information as described in clauses 5.6.7, 5.6.16 and 5.6.17 of TS 23.501, HPLMN of the UE. If an IP address of one or more UE(s) is provided, a corresponding port number (e.g. TCP or UPDP) for each IP address.
The IP address of one or more UE(s) may be provided together with the corresponding port number allowing to support the case where the PSA UPF is carrying out NAT on the traffic exchanged with the EAS.
AF Transaction Id.
The AF Transaction Id refers to the request.
Inputs, Optional:
The address (IP or Ethernet) of the UE if available, GPSI if available, DNN if available, S-NSSAI if available, External Group Identifier if available, External Application Identifier or traffic filtering information, AF-Service-Identifier, a list of DNAI(s) and corresponding routing profile ID(s) or N6 traffic routing information.
Outputs, Required:
Operation execution result indication, requested data.
Forward the notification of UP path management event report to AF.
Known NF Service Consumers:
AF.
Inputs, Required:
AF Transaction Id, Event ID.
The AF Transaction Id identifies the AF request for traffic influence that the event report is related to. The event may be the UP path management event defined in clause 5.6.7 of TS 23.501.
Inputs, Optional:
Event information (defined on a per Event ID basis), capability of supporting EAS IP replacement in 5GC.
Forward the acknowledgement to the notification of UP path management event report to SMF.
Inputs, Required:
Notification Correlation Information, cause code.
Cause code indicates whether the acknowledgement is a positive response or a negative response.
Inputs, Optional:
N6 traffic routing information as described in clause 5.6.7 of TS 23.501, Indication that buffering of uplink traffic should start, Information for EAS IP Replacement in 5GC.
Outputs, Required:
None.
Outputs, Optional:
None.
See clause 4.3.6.3 for details on usage of this service operation for example for the usage of the Indication that buffering of uplink traffic should start.
The consumer requests to become the chargeable party for a data session for a UE.
Inputs, Required:
AF Identifier, UE address (i.e. IP address or MAC address), Flow description information as described in clause 6.1.3.6 of TS 23.503 or External Application Identifier, ASP Identifier, Sponsor Information, Sponsoring Status.
Inputs, Optional:
Time period, traffic volume, Background Data Transfer Reference ID, DNN if available, S-NSSAI if available.
See clauses 4.15.6.6, 4.15.6.13, 4.15.6.14.
This service is also used to support subscription and notification of QoS Monitoring for the QoS parameter(s) to be measured defined in clause 5.45 of TS 23.501.
This service is also used to support subscription and notification of BAT offset for the AF that supports adjusting burst sending time based on RAN feedback, as described in clause 5.27.2.5 of TS 23.501.
This service is also used to support the QoS resource allocation for a list of UEs.
This service is also used to support subscription and notification of QoS Monitoring event for Data Rate Monitoring for a list of QoS flows, as described in clause 5.2.26.
The consumer requests the network to provide a specific QoS for an AF session for a UE or a list of UEs.
Inputs, Required:
AF Identifier, UE address (i.e. IP address or MAC address and only applicable for a single UE AF session), a list of UE addresses (as described in clause 4.15.6.13, and only applicable for a Multi-member AF session). Flow description information as described in clause 6.1.3.6 of TS 23.503 or External Application Identifier, QoS Reference or individual QoS parameters as described in clause 6.1.3.22 of TS 23.503.
Inputs, Optional:
Time period, traffic volume, Alternative Service Requirements (containing one or more QoS Reference parameters or Requested Alternative QoS Parameter Sets in a prioritized order), QoS Monitoring parameter(s) as defined in clause 5.45 of TS 23.501, Reporting frequency, Target of reporting and optional an indication of direct event notification as described in clause 6.1.3.21 of TS 23.503, DNN if available, S-NSSAI if available.
Only applicable for a single UE AF session: flow direction, Burst Arrival Time at UE (uplink) or UPF (downlink), Periodicity as described in clause 5.27.2 or clause 5.37.8.2 of TS 23.501, Time domain, Survival Time, BAT Window or Capability for BAT adaptation, Packet Delay Variation requirements as described in clause 6.1.3.26 of TS 23.503, Periodicity Range, RT Latency Indication as described in clause 6.1.3.22 of TS 23.503, PDU Set QoS Parameters as described in clause 5.7.7 of TS 23.501, Protocol Description (as described in clauses 5.37.5, 5.37.8.3, 5.37.9.2, 5.37.9.4 and other (sub)clauses in clause 5.37 of TS 23.501) and/or On-path N6 Signalling Information (see clause 5.37.9 of TS 23.501), Indication of ECN marking for L4S as described in clause 6.1.3.22 of TS 23.503, Data Burst Size Marking Support Indication as described in clause 6.1.3.27.5 of TS 23.503, Time to Next Burst Support Indication as described in clause 6.1.3.27.5 of TS 23.503, Expedited Transfer Indication as described in clause 6.1.3.27.9 of TS 23.503, QoS duration, QoS inactivity interval, Multi-Modal Service ID together with Multi-modal Service Requirements information for each data flow as described in clause 6.1.3.27.3 of TS 23.503.
Only applicable for a Multi-member AF session: Consolidated Data Rate Threshold, a list of UE addresses subject to Consolidated Data Rate monitoring.
Outputs, Required:
Transaction Reference ID, result (result as described in clause 4.15.6.13 if a list of UE is targeted).
NEF reports the QoS Flow level event(s) to the consumer.
Inputs, Required:
Reports of the events as defined in clause 6.1.3.18 of TS 23.503, Transaction Reference ID if a list of UE is targeted.
Inputs, Optional:
When the event report is for QoS Monitoring, includes QoS Monitoring report for the QoS parameter(s) to be measured defined in clause 5.45 of TS 23.501, e.g. UL packet delay, DL packet delay, or round trip packet delay, UL and/or DL data rate of the single UP path or two UP paths in the case of redundant transmission, as defined in clause 5.33.3.2 of TS 23.501. When the AF has provided Capability for BAT Adaptation or BAT Window, can include BAT offset as described in clause 5.27.2.5 of TS 23.501. When the delivery report is for Consolidated Data Rate Monitoring, includes Consolidated Data Rate Monitoring report.
The consumer requests the network to revoke the AF session with requested QoS or the AF session with requested QoS including Alternative Service Requirements for a UE or a list of UEs.
Inputs, Required:
Transaction Reference ID.
Inputs, Optional:
None.
Outputs, Required:
Transaction Reference ID, result (result as described in clause 4.15.6.3 if a list of UE is targeted).
The consumer requests the network to update the parameters for an AF session for a UE or a list of UEs.
Inputs, Required:
Transaction Reference ID.
Inputs, Optional:
Flow description information (as described in clause 6.1.3.6 of TS 23.503) or External Application Identifier, QoS Reference or individual QoS parameters as described in clause 6.1.3.22 of TS 23.503, time period, traffic volume, Alternative Service Requirements (containing one or more QoS Reference parameters or Requested Alternative QoS Parameter Sets in a prioritized order), QoS Monitoring parameter(s) as defined in clause 5.45 of TS 23.501, Reporting frequency, Target of reporting and optional an indication of direct event notification as described in clause 6.1.3.21 of TS 23.503.
Only applicable for a single UE AF session: flow direction, Burst Arrival Time at UE (uplink) or UPF (downlink), Periodicity as described in clause 5.27.2 or clause 5.37.8.2 of TS 23.501, Time domain, Survival Time, Packet Delay Variation requirements as described in clause 6.1.3.26 of TS 23.503, BAT Window or Capability for BAT adaptation, Periodicity Range, PDU Set QoS Parameters as described in clause 5.7.7 of TS 23.501, Protocol Description (as described in clauses 5.37.5, 5.37.8.3, 5.37.9.2, 5.37.9.4 and other (sub)clauses in clause 5.37 of TS 23.501) and/or On-path N6 Signalling Information (see clause 5.37.9 of TS 23.501), Data Burst Size Marking Support Indication as described in clause 6.1.3.27.5 of TS 23.503, Time to Next Burst Support Indication as described in clause 6.1.3.27.5 of TS 23.503, Expedited Transfer Indication as described in clause 6.1.3.27.9 of TS 23.503, updated information for the Multi-modal Service Requirements information as described in clause 6.1.3.27.3 of TS 23.503.
Only applicable for a Multi-member AF session: a list of UE addresses (as described in clause 4.15.6.13), Consolidated Data Rate Threshold, a list of UE addresses subject to Consolidated Data Rate monitoring.
Outputs, Required:
Success or Failure. Failure Cause in case of Failure, Transaction Reference ID if a list of UE is targeted.
NEF delivers to the SMS Payload to the AF. The NEF shall determine the notification destination URL of the AF based on configured information on the mapping of SME addresses to destination URLs.
This service is for allowing external party to provision of service specific parameters which can be used for the UE in 5GS. The detailed information is described in clause 4.15.6.7 and 4.15.6.15.
The consumer stores service specific parameters in the UDR via the NEF.
Inputs, Required:
Service Descriptor (e.g. the combination of DNN and S-NSSAI, an AF-Service-Identifier or an External Application Identifier).
Inputs, Optional:
Service Parameters and Target UE identifiers (e.g. the address (IP or Ethernet) of the UE if available, GPSI if available, External Group Identifier if available), "PLMN ID(s) of inbound roamers", subscribedEvents, notificationDestination, Non-3GPP Device Identifier Information(s) as defined in the clause 4.15.6.15.
If identifiers of target UE(s) or a group of UEs or "PLMN ID(s) of inbound roamers" are not provided, then the Service Parameters shall correspond to any UEs of the PLMN of the NEF using the service identified by the Service Description.
When non-3GPP Device Identifier Information is included, no other Service Parameters shall be present.
Outputs, Required:
Service Descriptor (e.g. the combination of DNN and S-NSSAI, an AF-Service-Identifier or an External Application Identifier)
The consumer updates service specific parameters in the UDR via the NEF.
Inputs, Required:
Service Descriptor (e.g. the combination of DNN and S-NSSAI, an AF-Service-Identifier or an External Application Identifier), Transaction Reference ID.
Inputs, Optional:
Service Parameters and Target UE identifiers (e.g. the address (IP or Ethernet) of the UE if available, GPSI if available, External Group Identifier if available), or "PLMN ID(s) of inbound roamers", Non-3GPP Device Identifier Information(s) as defined in the clause 4.15.6.15.
The consumer deletes service specific parameters from the UDR via the NEF.
Inputs, Required:
Service Descriptor (e.g. the combination of DNN and S-NSSAI, an AF-Service-Identifier or an External Application Identifier), Transaction Reference ID.
Inputs, Optional:
Target UE identifiers (e.g. the address (IP or Ethernet) of the UE if available, GPSI if available, External Group Identifier if available) or "PLMN ID(s) of inbound roamers".
The consumer retrieves service specific parameters in the UDR via the NEF.
Inputs, Required:
Service Descriptor (e.g. the combination of DNN and S-NSSAI, an AF-Service-Identifier or an External Application Identifier).
Inputs, Optional:
Service Parameters and Target UE identifiers (e.g. the address (IP or Ethernet) of the UE if available, GPSI if available, External Group Identifier if available), or "PLMN ID(s) of inbound roamers".
Outputs, Required:
Transaction Reference ID, operation execution result indication, requested data.
This service operation is used by the NEF to notify a Service Parameter Authorisation Update (e.g. to revoke an authorization) to AF, see clause clause 4.15.6.7a or to forward a notification for a subscribed event by the AF, see clause 4.15.6.7, e.g. the notification of outcome of UE Policies Delivery to AF.
Inputs, Required:
Transaction Reference ID, Target UE (i.e. GPSI), Result.
The Transaction Reference ID identifies the AF request for service specific parameter provisioning that the notification (i.e. notification of an authorization update or reporting a subscribed event) is related to. The GPSI is the identifier of the UE for which the notification is related to.
Inputs, Optional:
DNN, S-NSSAI, PLMN ID(s) of inbound roamers, External Group Id, Event Information (defined on a per Event ID basis, for UE Policies delivery outcome it may include the result of the UE Policies delivery procedure and for unsuccessful results, an identifier of the reason), authorization update information (e.g. authorization revocation cause).
The Event ID may be the UE Policies delivery outcome defined in clause 4.15.6.7. The GPSI is the identifier of the UE for which the event report is related to.
The NEF provides, in addition to the GPSI, the External-Group-Id if provided as Target UE in the Nnef_ServiceParameter_Subscribe operation.
In order to support interworking with EPC, the NEF is integrated with SCEF as a combined SCEF+NEF node for network exposure as defined in clause 5.17.5 of TS 23.501.
The common services provided by SCEF+NEF may become unavailable because the UE is now being served by a node (e.g. MME) or NF (e.g. AMF) that does not support that service. If the availability or expected level of support of a service API associated with a UE changes, for example due to a mobility between 5GC and EPC, the AF can be made aware of the change via this service.
This service consists of Subscribe, Unsubscribe, Notify service operations. It supports informing AF of the availability or expected level of support of a given service via a response to the One-time report type subscribe request of the AF or via a notification to the Continuous report type subscription of the AF.
This service operation is used by the NF consumer to deliver the unstructured data between NF consumer and NEF to support NIDD via NEF.
Inputs, Required:
User Identity or External Group Identifier, unstructured data, TLTRI (Optional), Reliable Data Service Configuration (Optional), MO Exception Data Counter.
This service operation is used by the NEF to inform the AF of the aggregated response of Group MT NIDD operation.
Inputs, Required:
The TLTRI that was provided when the Nnef_NIDD_Delivery operation was invoked with an External Group Identifier, External Identifier list with associated with the External Group Identifier and cause values.
The NF consumer subscribes or modifies an existing subscription on analytics information.
Inputs, Required:
(Set of) Analytics ID(s), Analytic Filter Information, Target of Analytic Reporting (UEs (e.g. GPSI), External Group Identifier, any UEs), Analytic Reporting Information, Notification Target Address (+ Notification Correlation ID). These input parameters are detailed in TS 23.288.
Inputs, Optional:
Subscription Correlation ID (in the case of modification of the analytics subscription), Expiry time, slice specific information, Geographical area, Analytics feedback information.
Outputs, Required:
When the subscription is accepted: Subscription Correlation ID, Expiry time (required if the subscription can be expired based on the operator's policy).
Outputs, Optional:
First corresponding analytics report is included, if available.
NEF reports the analytics to the NF consumer that has previously subscribed.
Inputs, Required:
Analytics ID(s), Notification Correlation Information, Analytic information (defined on a per Analytics ID basis). These input parameters are detailed in TS 23.288.
Inputs, Optional:
Timestamp of analytics generation, Probability assertion, Termination Request specified in TS 23.288.
Analytics ID, Analytic Filter Information, Target of Analytic Reporting (UE (e.g. GPSI), External Group Identifier, any UEs), Analytic Reporting Information. These input parameters are detailed in TS 23.288.
Inputs, Optional:
Slice specific information, Geographical area.
Outputs Required:
Analytic information (defined on a per Analytics ID basis) specified in TS 23.288.
Outputs, Optional:
Timestamp of analytics generation, Probability assertion, specified in TS 23.288.
The consumer creates a UCMF dictionary entry (or more entries) for a Manufacturer-assigned UE Radio Capability ID via the NEF. For each UE Radio Capability ID the following inputs are provided:
a UE radio access capability set with respective Coding format or the UE radio access capability set in both TS 36.331 and TS 38.331 coding formats and each RATs' UE Radio Capability for Paging; and
the related UE model(s) IMEI/TAC value(s) the UE radio capability ID applies to.
Inputs, Required:
(list of) [UE Radio Capability ID, set(s) of UE Radio Access Capability set and UE Radio Capability for Paging and respective Coding format(s), (List of) IMEI/TAC value(s)].
Inputs, Optional:
None.
Outputs, Required:
None.
Outputs, Optional:
None.
The Coding format(s) indicates the format of the respective UE radio access capabilities as defined in TS 36.331 or TS 38.331.
The consumer deletes a UCMF dictionary entry for a Manufacturer-assigned UE Radio Capability ID via the NEF. The consumer provides a (list of) UE radio capability ID value(s) to be deleted or it may provide the IMEI/TAC values for which the associated UE radio capability ID entries shall be no longer used.
Inputs, Required:
UE Radio Capability ID(s) of the UCMF dictionary entry(ies) to be deleted or IMEI/TAC(s) that no longer use associated UE radio Capability ID(s).
The consumer updates the list of IMEI/TAC values a UCMF dictionary entry(or a list of entries) applies to for a Manufacturer-assigned UE Radio Capability ID via the NEF. For each UE Radio Capability ID provided, (a list of) UE model(s) IMEI/TAC value(s) to be added or removed to the related UCMF entry is provided.
Inputs, Required:
Update Type (one of "Add IMEI/TAC Values" or "Remove IMEI/TAC Values") and:
If Update Type is "Add IMEI/TAC Values", the (list of) UE Radio Capability ID(s) of the UCMF dictionary entry(ies) to be updated and the related additional (list of) IMEI/TAC(s); or
If Update Type is "Remove IMEI/TAC Values", the (list of) UE Radio Capability ID(s) of the UCMF dictionary entry(ies) to be updated and the related (list of) IMEI/TAC(s) to be removed.
This service is for allowing the AF to query status of Enhanced Coverage Restriction or enable/disable Enhanced Coverage Restriction per individual UE.
The service provides the capability to apply a previously negotiated Background Data Transfer Policy to a UE or a group of UEs. See clause 4.15.6.8 for the detailed procedure.
The consumer requests to apply a policy to the UE.
Inputs, Required:
AF Identifier, External Identifier or External Group ID, Background Data Transfer Reference ID for a previously negotiated policy of a background data transfer.
Provides UE location information to the consumer NF.
Inputs, Required:
Identity of the AF, UE identifier (GPSI), event causing the location estimate (5GC-MO-LR), location estimate, age of location estimate, accuracy indication, LCS QoS class.
Inputs, Optional:
Service identity.
Outputs, Required:
Success/Failure indication.
Output (optional):
Failure Cause (in the case of failure indication provided).
This service is to authorise an AF request and trigger a respective Npcf_AMPolicyAuthorization request. This service allows the NF consumer to subscribe/unsubscribe the notification of events for reporting change of service coverage defined in clause 6.1.3.18 of TS 23.503. The description of the Throughput requirements, service coverage requirements, AF requested network slice replacement and policy duration are defined in clause 6.1.2.6.1 of TS 23.503.
Authorizes the request and triggers an Npcf_AMPolicyAuthorization_Create, potentially translating GPSI to SUPI.
Inputs, Required:
GPSI.
Inputs, Optional:
Throughput requirements, service coverage requirements, AF requested slice replacement requirement (i.e. pair (Replaced S-NSSAI, Alternative S-NSSAI), or pair (Replaced-AF-Service-Identifier, Alternative-AF-Service-Identifier) in the case when AF does not have information about the Replaced S-NSSAI and Alternative S-NSSAI), policy duration, subscribed event(s).
The subscribed event includes Event ID as specified in Nnef_AMPolicyAuthorization_Notify service operation, Event Reporting Information defined in Table 4.15.1-1 (only the Event Reporting mode and the immediate reporting flag when applicable), Notification Target Address.
Outputs, Required:
Success or Failure.
Outputs, Optional:
Identification of the created application context, the inputs that can be accepted by the PCF.
Provides updated information about an application context to the NEF and triggers an Npcf_AMPolicyAuthorization_Update.
Inputs, Required:
Identification of the application context.
Inputs, Optional:
Throughput requirements, service coverage requirements, AF requested slice replacement requirement (i.e. pair (Replaced S-NSSAI, Alternative S-NSSAI), or pair (Replaced-AF-Service-Identifier, Alternative-AF-Service-Identifier) in the case when AF does not have information about the Replaced S-NSSAI and Alternative S-NSSAI), AF requested network slice replacement termination indication, policy duration.
provided by the NEF to notify NF consumers when the NEF receives from the PCF notifications about subscribed events.
Inputs, Required:
Subscription Correlation ID, Event ID.
The event that can be subscribed is the event for reporting change of coverage defined in clause 6.1.3.18 of TS 23.503.
provided by the NEF for NF consumers to explicitly subscribe the notification of events, triggering an Npcf_AMPolicyAuthorization_Subscribe.
Inputs, Required:
Event ID as specified in Nnef_AMPolicyAuthorization_Notify service operation, SUPI, Event Reporting Information defined in Table 4.15.1-1 (only the Event Reporting mode and the immediate reporting flag when applicable), Notification Target Address.
Inputs, Optional:
Subscription Correlation ID (in the case of modification of the event subscription).
Outputs, Required:
When the subscription is accepted: Subscription Correlation ID.
This service is to authorize the request and store in the UDR application data that can be retrieved by relevant PCFs in order to influence access and mobility management policies of one or multiple UEs. This service allows the NF consumer to subscribe/unsubscribe the notification of events about service coverage (defined in clause 6.1.3.18 of TS 23.503). The description of the Throughput requirements, service coverage requirements, slice replacement requirement and policy duration are defined in clause 6.1.2.6.1 of TS 23.503.
Authorize the request and store the AM influence data in the UDR, potentially translating GSPI to SUPI and External Group Identifier to Internal Group Identifier.
Inputs, Required:
AF Transaction Id.
The AF Transaction Id refers to the request.
Inputs, Optional:
List of (DNN, S-NSSAI)(s), Target (GPSI, or External Group Identifier(s), or any UE, or any inbound roaming UEs identified by their PLMN ID(s)), throughput requirements, service coverage requirements, AF requested network slice replacement, policy duration, List of External Application Identifiers, subscribed event(s).
The subscribed event(s) includes Event ID(s) as specified in Nnef_AMInfluence_Notify service operation, Event Reporting Information defined in Table 4.15.1-1 (only the Event Reporting mode and the immediate reporting flag when applicable), Notification Target Address.
When a list of External Application Identifiers is provided, the throughput requirement, service coverage requirements, AF requested network slice replacement (i.e. pair (Replaced S-NSSAI, Alternative S-NSSAI), or pair (Replaced-AF-Service-Identifier, Alternative-AF-Service-Identifier) in the case when AF does not have information about the Replaced S-NSSAI and Alternative S-NSSAI), policy duration and subscribed event(s) are assigned the same value for all External Application Identifiers.
Authorize the request and forward the request to update the AM influence data, potentially translating GSPI to SUPI and External Group Identifier to Internal Group Identifier.
Inputs, Required:
AF Transaction Id.
The AF Transaction Id identifies the NF Service Consumer request to be updated.
Forward the notification of change of service coverage event report to the AF.
Inputs, Required:
AF Transaction Id, Event ID.
The AF Transaction Id identifies the AF request for AM influence data that the event report is related to.
The event that can be subscribed is the event for reporting change of coverage defined in clause 6.1.3.18 of TS 23.503
time synchronization service exposure as described in clause 5.27.1.8 of TS 23.501 when the NF Service Consumer requests to create or update time synchronization configuration as well as to activate and deactivate the time synchronization service, for which the NEF uses service operations provided by TSCTSF as described in clause 5.2.27.
The consumer requests to create a time synchronization configuration and activate the time synchronization service with the configuration, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.2.2).
The consumer requests to update the time synchronization configuration, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.2.3).
The consumer requests to delete the time synchronization configuration and deactivate the corresponding time synchronization service, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.2.4).
Forward the notification for the time synchronization configuration or (g)PTP time distribution status change. When the NEF receives a notification of a change corresponding to a time synchronization configuration or (g)PTP time distribution status from the TSCTSF, it forwards the notification by invoking a Nnef_TimeSynchronization_ConfigUpdateNotify service operation to the NF consumer(s) that has subscribed for the event. The event parameters are described in Table 5.2.27.2.5-1.
Known NF Service Consumers:
AF.
Inputs, Required:
PTP instance reference, current state of the time synchronization configuration (i.e. whether the time synchronization configuration is active or not for the PTP ports of the PTP instance).
The AF requests the subscription to receive notifications about time synchronization capabilities for a list of UE(s) or a group of UEs or any UEs using DNN/S-NSSAI combination, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.2.6).
Event Filters are used to specify the conditions to match for notifying the event. If there are no conditions to match then the Event Filter is not provided. The Event Filters supported by the service are described in Table 5.2.27.2.6-1.
The AF requests to unsubscribe from receiving notifications about time synchronization capabilities for a list of UE(s) or a group of UEs or any UE using a DNN/S-NSSAI combination, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.2.7).
Forward the notification for the time synchronization configuration.
When the NEF receives a notification of a change corresponding to a Subscription from the TSCTSF, it forwards the notification by invoking a Nnef_TimeSynchronization_CapsNotify service operation to the NF consumer(s) that has subscribed for the event. The event parameters are described in Table 5.2.27.2.8-1.
The EAS Deployment information management in the NEF provides functions for Node Level EAS Deployment information provision from AF and for subscribing and retrieving EAS Deployment Information in the UDR and providing EAS Deployment Information to the I-SMF for Local Offloading Management or to the SMF. For related procedures see clause 6.2.3.4 of TS 23.548.
See clause 4.15.10 for AF specific UE ID retrieval, clause 4.15.10A for MSISDN retrieval and clause 4.3.6.5 when V-NEF query UE information for HR-SBO PDU Session.
This service can also be used to create, update, delete and query Application Layer ID and GPSI mapping for Ranging/SL Positioning UE as defined in TS 23.586.
time synchronization service exposure as described in clause 5.27.1.8 of TS 23.501 when a NF Service Consumer requests to control the 5G access stratum time distribution configuration, for which the NEF uses service operations provided by TSCTSF as described in clause 5.2.27.
The consumer requests to activate the 5G access stratum time distribution, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.4.2).
The consumer requests to update the 5G access stratum time distribution configuration, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.4.3).
The consumer requests to delete the 5G access stratum time distribution configuration and deactivate the corresponding 5G access stratum time distribution service, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.4.4).
The consumer makes a query about the status of the access stratum time distribution, for which the NEF authorizes the request and invokes the corresponding service operation with TSCTSF (clause 5.2.27.4.5).
Forward the notification for the 5G access stratum time distribution status change. When the NEF receives a notification of a change from the TSCTSF, it forwards the notification by invoking a Nnef_ASTI_UpdateNotify service operation to the NF consumer(s) that has subscribed for the event.
This service provides functionality for negotiation and management of planned data transfer with QoS requirements policies (PDTQ policies), which includes the following functionalities:
Determine PDTQ policies based on the request from AF; and
Update PDTQ policies based on the selection provided by AF.
The service can be used by the consumer to subscribe or unsubscribe to the Member UE selection assistance information, or to receive notifications on the Member UE selection assistance information, from the NEF. See Table 4.15.13.2-1 for the Member UE filtering criteria.
The NF consumer subscribes to receive the Member UE selection assistance information, or the subscription is updated if the same subscription is already existing in NEF.
Inputs, Required:
At least one Member UE filtering criterion shown in Table 4.15.13.2-1.
Inputs, Conditional Required:
If no Subscription Correlation ID is provided in the subscription, AF Identifier, Notification Target Address (+ Notification Correlation ID), a list of target member UEs in the form of a list of GPSIs or a list of UE IP addresses) is required.
Inputs, Optional:
Application ID, Subscription Correlation ID (in the case of update of the existing subscription), Expiry time, time window(s) for selecting the candidate UEs, specific parameters depending on the Member UE filtering criteria as shown in Table 4.15.13.2-1, Periodicity (the periodicity of member update), maximum number of candidate UEs.
Outputs, Required:
When the subscription is accepted: Subscription Correlation ID, Expiry time (required if the subscription can be expired based on the operator's policy).
NEF reports the Member UE selection assistance information to the consumer that has previously subscribed.
Inputs, Required:
Notification Correlation Information.
Inputs, Conditional Required:
At least one of the following inputs is required:
One or more list(s) of candidate UE(s).
Inputs, Optional:
Recommended time window for performing the application operation per list of candidate UE(s) as described in clause 4.15.13.1, specific value of the parameters that NEF gathered for the Member UE filtering criteria per candidate UE.
Inputs, Optional:
A number for each filtering criterion that indicates the count of UEs in the initial list which do not meet the criterion (provided if there are multiple filtering criteria in the subscribe request)
NEF reports the Member UE selection assistance information to the consumer that has previously subscribed.
Inputs, Required:
Notification Correlation Information.
Inputs, Conditional Required:
At least one of the following inputs is required:
One or more list(s) of candidate UEs in the form of a list of GPSIs or a list of UE IP addresses.
Inputs, Optional:
Recommended time window for performing the application operation per list of candidate UEs as described in clause 4.15.13.1, specific values of the parameters that NEF gathered for the Member UE filtering criteria per candidate UE, a number for each filtering criterion that indicates the amount of UEs in the initial list which do not meet the criterion.
The consumer requests the network to provide a specific QoS for a traffic flow for a UE or a group of UEs.
Inputs, Required:
AF Identifier, Target UE identifier (GPSI or External Group Identifier), Flow description(s) or External Application Identifier, QoS Reference or individual QoS parameters as described in clause 6.1.3.22 of TS 23.503.
Inputs, Optional:
time period, traffic volume, Alternative Service Requirements (containing one or more QoS reference parameters or Requested Alternative QoS Parameter Sets in a prioritized order), QoS parameter(s) to be measured, Reporting frequency, Target of reporting and optional an indication of direct event notification as described in clause 6.1.3.21 of TS 23.503, DNN if available, S-NSSAI if available, traffic characteristics as described in clause 6.1.3.23 or 6.1.3.23a of TS 23.503.
When the event report is for QoS Monitoring, includes Packet delay for UL, DL, or round trip of the single UP path or two UP paths in the case of redundant transmission, as defined in clause 5.33.3.2 of TS 23.501.
The consumer requests the network to revoke the Service Requirement(s) and/or additional Alternative Service Requirement(s) for a UE or a group of UEs.
The consumer requests the network to update the Service Requirement(s) and/or additional Alternative Service Requirement(s) for a UE or a group of UEs.
Inputs, Required:
Transaction Reference ID.
Inputs, Optional:
Flow description information (as described in clause 6.1.3.6 of TS 23.503), QoS reference or individual QoS parameters as described in clause 6.1.3.22 of TS 23.503, time period, traffic volume, Alternative Service Requirements (containing one or more QoS reference parameters or Requested Alternative QoS Parameter Sets in a prioritized order), QoS parameter(s) to be measured, Reporting frequency, Target of reporting and optional an indication of direct event notification as described in clause 6.1.3.21 of TS 23.503, traffic characteristics as described in clause 6.1.3.23 or 6.1.3.23a of TS 23.503.
This service operation is used by the consumer to subscribe for DNAI information by providing specific information of AF and NWDAF.
Inputs, Required:
EAS address information i.e. IP address/IP address range or FQDN.
Inputs, Optional:
DNN, S-NSSAI, AF identifier, Event Reporting Information defined in Table 4.15.1-1.
Outputs, Required:
When the subscription is accepted and not one-time reporting: Subscription Correlation ID, Expiry time (required if the subscription can be expired based on the operator's policy).
The NF consumer subscribes for the notifications of AF traffic influence request information.
Inputs, Required:
Data Set Identifier (i.e. Application data), Data Subset Identifier (i.e. AF traffic influence request information), Data Key(s), Notification Target Address, Event Reporting Information defined in Table 4.15.1-1.
Inputs, Optional:
None.
Outputs, Required:
When the subscription is accepted: Subscription Correlation ID.
NEF notifies NF consumer(s) about AF traffic influence request information, when receives notification of AF traffic influence request information from UDR.
Inputs, Required:
Notification Correlation ID, Data Set Identifier as defined in clause 5.2.12.2.1, Target of Event Reporting as defined in clause 5.2.12.2, AF traffic influence request information.
The NF consumer subscribes for the immediate notifications of the NATed UE public IP address and Port number corresponding to UE private IP address. See clause 6.2.8.2.4.5 of TS 23.288.
Inputs, Required:
UE (private) IP address, AF Identifier, IP address of remote end, Notification Correlation ID.
Inputs, Optional:
IP domain, Port number of remote end.
Outputs, Required:
When the subscription is accepted: Subscription Correlation ID.
NEF notifies NF consumer(s) about NATed UE public IP address and Port number, when receives notification from UPF. See clause 6.2.8.2.4.5 of TS 23.288.
Inputs, Required:
Notification Correlation ID, NATed UE public IP address and Port number.
The ECS Address service in the V-NEF provides functions for ECS Address Configuration Information provision for a group of UE or any UE from AF and for subscribing and retrieving ECS Address Configuration Information and providing ECS Address Configuration Information to the V-SMF to support. For related procedures see clauses 6.5.2.6.2 and 6.5.2.6.3 of TS 23.548.
This procedure is defined only for the support of HR-SBO.
The NF consumer subscribes for a specific IMS event.
Inputs, Required:
Event-ID(s) representing the event of interest, Event Reporting Information as defined in Table 4.15.1-1.
Inputs, Optional:
List one or more IMS Public Subscriber identity, Event Filters, Notification Target address, Notification Correlation Information, Expiry time, Subscription Correlation ID (in the case of modification of the event subscription), AF Identifier.
IMS Public subscriber identity entry is only present for subscriber specific IMS events.
Outputs, Required:
When the subscription is accepted: Subscription Correlation ID, Expiry time (required if the subscription can expire based on the operator's policy).
Outputs, Optional:
First corresponding event report is included, if available (see clause 4.15.1).
This service operation is used by the NEF to report to the NF consumer received information by the NEF in a Notify Request from the IMS AS that detected the event previously subscribed.
Inputs, Required:
Event ID, time stamp, Notification Correlation ID.
Inputs, Optional:
Notification Correlation Information, Event information (defined on a per Event ID basis).
The service provides the capability to create and release an IMS session with standalone data channel media and modify data channel media in a specific IMS session.
This service enables the consumer NF to create an IMS session with the requested media (e.g. standalone data channel media).
Inputs, Required:
Calling ID, Called ID, Media information set.
Calling ID:
It is the public identity of calling IMS Subscriber or the identity of the consumer NF, e.g. DC AS.
Called ID:
It is the public identity of called IMS Subscriber.
Media information set:
Includes a set of media information indicating how the media used in the created session. Each media information contains:
Media Correlation ID: It identifies the media component to be created. It is allocated by the consumer NF.
Media Type: It indicates the media type used in the created session, e.g. Data Channel.
Media Parameter set: It indicates the related media parameters. For different media, it contains different parameters:
When the Media Type is Data Channel, it includes:
DC Type: indicates the Data Channel Type (ADC or BDC);
When DC Type is ADC:
ADC Type: the ADC type (P2A, P2P, P2A2P);
App Binding Information;
Target ID(s): the public identity(ies) of the IMS Subscriber the DC is targeted;
If PA2 or P2A2P is selected, the MDC2 media endpoint address(es) of the application layer is included.
When DC Type is BDC;
Target ID: the public identity of the IMS Subscriber the DC is targeted;
the MDC1 media endpoint address.
Inputs, Optional:
Notification Target Address and Notification Correlation ID.
If the request includes a Notification Target Address, the request creates an implicit subscription to be notified for the events in Table AA.2.4.4.5-1 of TS 23.228.
This service operation enables the consumer NF to modify the data channel media in a specific IMS session, such as adding or removing bootstrap data channel(s) or application data channel(s), modify media parameters for the targeted data channel(s).
Inputs, Required:
Session ID, Media operation set.
Session ID:
It is the identity of session that this request targeted to.
Media operation set:
Includes a set of media operations commands indicating how to modify the media used in the specific session. Each media operation command contains:
Media Correlation ID: It identifies the media component to be created.
Operation Type: It indicates adding, updating or removing the corresponding media.
Media Type: It indicates the type of operated media (e.g. Data Channel).
Media Parameter set: It indicates the related media parameters. For different media, it contains different parameters:
When the Media Type is Data Channel, it includes:
DC Type: indicates the Data Channel Type (ADC or BDC);
When DC Type is ADC:
ADC Type: the ADC type (P2A, P2P, P2A2P);
App Binding Information;
Target ID: the public identity of the IMS Subscriber the DC is targeted;
If P2A or P2A2P is selected, if the Operation Type indicates adding or updating the media, the MDC2 media endpoint address of the application layer is indicated.
When DC Type is BDC:
Target ID: the public identity of the IMS Subscriber the DC is targeted
if the Operation Type indicates adding or updating the media, the MDC1 media endpoint address.
Inputs, Optional:
Notification Target Address and Notification Correlation ID.
If the request includes a Notification Target Address, the request creates an implicit subscription to be notified for the events in Table AA.2.4.4.5-1 of TS 23.228.
Session ID, Media resource information
The Session ID is included if available. The Session ID may not be available e.g. when session establishment failure is reported.
Media resource information set includes entries corresponding to each media. Each entry in the set includes the Media correlation ID and DC Media Specification. The DC Media Specification shall exist only with media type "DC" and contains additional media resource information, e.g. remote media address for MDC2 interface.
This service is for allowing third party to provision information which can be used for an IMS user in the IMS (e.g. RCD server address, RCD URL or RCD information for a single IMPU or wildcard IMPU as described in clause AF.2.2.6 of TS 23.228).
This service operation is used by the AF to update the IMS user related information (e.g. RCD server address, RCD URL or RCD information) for the target IMPU.
This service operation is used by the AF to create the IMS user related information (e.g. RCD server address, RCD URL or RCD information) for the target IMPU.
This service operation is used by the AF to delete the provisioned IMS user related information (e.g. RCD server address, RCD URL or RCD information) for the target IMPU.