School of Specs 23.501v20.2.0

3GPP 23.501 v20.2.0 — the document's own text

7.2.3 SMF Services

Taught in 5. Services instead of interfaces (The 5G system architecture, in depth).

The following NF services are specified for SMF:

Table 7.2.3-1: NF Services provided by SMF

Service NameDescriptionReference in TS 23.502 [3]
Nsmf_PDUSessionThis service manages the PDU Sessions and uses the policy and charging rules received from the PCF. The service operations exposed by this NF service allows the consumer NFs to handle the PDU Sessions.5.2.8.2
Nsmf_EventExposureThis service exposes the events happening on the PDU Sessions to the consumer NFs.5.2.8.3
Nsmf_NIDDThis service is used for NIDD transfer between SMF and another NF.5.2.8.4
Nsmf_TrafficCorrelationUsed for SMF determined information related to the members of the set of UEs identified by traffic correlation ID as defined in clause 6.2.3.2.7 of TS 23.548 [130],5.2.8.5