3GPP 23.501 v20.2.0 — the document's own text
5.4.14 Support of UE-Satellite-UE communication for IMS services
Taught in 9. Registration, reachability and paging (The 5G system architecture, in depth), 10. Radio, Wi-Fi, cable — every way in (The 5G system architecture, in depth).
This clause has no text of its own; it only holds the clauses below.