Feature Description

Important

The PGW-C term used in this chapter denote the EPS interworking functionality supported by SMF and must not be assumed as a standalone P-GW that is used in the LTE network.

VPLMN provides packet core services and access to data network. This feature enables the SMF to support the flavour of routing that is termed as the local breakout (LBO) roaming.

This feature provides the following functionalities:

  • Roaming for 5G sessions connected via NR

  • Roaming for 4G and Wi-Fi sessions connected via E-UTRAN

  • LI support

  • Deployment model without SEPP

For more details on the serving PLMN, see Multiple PLMN Support chapter.