Nsmsf_SMService
The Nsmsf_SMService service provides the service capability for the NF Service Consumer (for example, AMF) to authorize SMS and activate SMS for a service user on SMSF. The following are the key functionalities of this NF service:
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Activation or deactivation of SMS service for a given service user, which results in creating/updating/deleting an UE Context for SMS in SMSF.
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Send SMS payload in uplink direction to SMSF.
Reference: 3GPP TS 29.540 version 15.0.0 Release 15