In this section:
Two basic deployment scenarios exist for the
The two basic configurations for routing and policy management are:
The centralized PSX server combines call routing functionality with exceptional capacity of storing tens of millions of call routes in a single database. This SBC-Centralized PSX deployment distributes that routing intelligence to every PSX server in the network and simplifies the provisioning process.
Figure 1 describes SBC deployed with external PSX and an EMS.
SBC with External PSX and EMS
ERE provides less routing and policy management functionality and is intended for smaller networks with no complex routing needs.
SBC with ERE
For more information on installing the