4.23.8 AN Release procedure involving I-SMF
23.5023GPPProcedures for the 5G System (5GS)Release 18TS
For the AN release procedure, if the PDU Session involves an I-SMF, the procedure defined in clause 4.2.6 applies with:
– The SMF and UPF in the procedure replaced by the I-SMF and I-UPF.