E.5 Use of circuit-switched domain

24.2293GPPIP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP)Release 18Stage 3TS

There is no CS domain in this access technology.

Annex F (normative):
Additional procedures in support for hosted NAT

NOTE: This subclause describes the mechanism for support of the hosted NAT scenario. This does not preclude other mechanisms but they are out of the scope of this annex.