This TS specifies the discovery and network selection procedures for access to 3GPP Evolved Packet
Core (EPC) via non-3GPP access networks and includes Authentication and Access Authorization using
Authentication, Authorization and Accounting (AAA) procedures used for the interworking of the 3GPP EPC and the
non-3GPP access networks.
This TS also specifies the Tunnel management procedures used for establishing an end-to-end tunnel
from the UE to the ePDG to the point of obtaining IP connectivity and includes the selection of the IP mobility mode.
The non-3GPP access networks considered in this present document are cdma2000 HRPD and Worldwide
Interoperability for Microwave Access (WiMAX), and any access technologies covered in TS 23.402
non-3GPP access networks can be trusted or untrusted access networks.
This TS is applicable to the UE and the network. In this technical specification the network is the 3GPP EPC.
to see the ToC for advanced Rel-15 Word version