Section: 4.9.3 Handover of a PDU Session procedure between 3GPP and trusted non-3GPP access 4.9.3.0 General
Content: 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.