Section: 4.11.3a.1 Handover from EPS to 5GC-TNGF
Content: The handover procedure from EPS to 5GC-TNGF is supported as specified in clause 4.11.3.1 for handover procedure from EPS to 5GC-N3IWF with the following differences: - The untrusted non-3GPP access is substituted by trusted non-3GPP access point (TNAP). - The N3IWF is substituted by TNGF. - The registration procedure via trusted non-3GPP access as specified in clause 4.12a.2 shall be performed in step 1. - The UE requested PDU Session Establishment with Existing PDU Session indication in 5GC via trusted non-3GPP access is performed in step 2 as specified clause 4.12a.5.