Normal Behavior Call Process

The following illustration shows the normal call process behavior of the ROBO
Oracle® Enterprise Session Border Controller connectivity to the Service Provider site (or headquarters site).

1. Phones register through the Oracle® Enterprise Session Border Controller to the IP PBX or Application Server (AS) at the Headquarters or Service Provider site.
2. Phone-to-phone calls are proxied through the Oracle® Enterprise Session Border Controllers to the IP PBX or AS at the Headquarters or Service Provider site.
3. Phone-to-Public Switched Telephone Network (PSTN) calls are routed to the Headquarters or Service Provider site, or sent out a local PSTN gateway.