The SBC Core supports the following call processing elements which determine the services, routing and policy data applicable for the call:
The SBC is configurable to interact with one or more centralized PSXs (up to nine external PSXs), the local Policy Server (ERE) or a combination of external PSXs and ERE.
For more information on a centralized Policy Server, refer to the PSX Provisioning Guide.
Additional topics in this section: