PCF supports dual stack (IPv4 and IPv6) connectivity on Diameter, NRF, N7, N28, and NNRF external interfaces or endpoints.

For more information, see the following chapters in UCC 5G PCF Configuration and Administration Guide.

• Diameter Endpoint

• Multiple Virtual IP Address

• NRF Interface

PCF supports the following message prioritizations:

• Message priority handling framework—Provides configuration to handle the incoming message rules with priority.

  • Diameter configuration

  • PCF configuration

• Inbound WPS Rx Message prioritization—During engine processing the WPS messages are prioritized over non-WPS messages.

• Inbound WPS SBI Message prioritization—During engine processing the 3gpp-Sbi-Message-Priority header messages are prioritized.

For more information, see the Message Prioritization and Overload Handling chapter in the UCC 5G PCF Configuration and Administration Guide.

Simless emergency feature allows the UE without a SIM to make an emergency call. Emergency calls are routed to the emergency services in accordance with national regulations to the subscriber location.

For more information, see the Simless Emergency Feature chapter in the UCC 5G PCF Configuration and Administration Guide.