4.9.3 Handover of a PDU Session procedure between 3GPP and trusted non-3GPP access

23.5023GPPProcedures for the 5G System (5GS)Release 18TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

4.9.3.0 General

The handover of a PDU Session between 3GPP access and trusted non-3GPP access shall be supported as specified in clause 4.9.2 for all types of handover of a PDU Session between 3GPP access and untrusted non-3GPP access, with the following modifications and clarifications:

– The untrusted non-3GPP access is substituted by a trusted non-3GPP access point (TNAP).

– The N3IWF is substituted by the TNGF.

– The registration via untrusted non-3GPP access is substituted by the registration via trusted non-3GPP access as specified in clause 4.12a.2.2.

– A PDU Session is activated over trusted non-3GPP access as specified in clause 4.12a.5.