SIP and H.323 Interworking

You need to configure local policies, including the requisite local policy attributes, to use the H.323<—>SIP interworking (IWF). Flow progression in H.323<—>SIP traffic depends heavily on the local policies configured for the Oracle® Enterprise Session Border Controller, which determine what protocol is used on the egress side of a session.

You set the application protocol (an local policy attribute option) to instruct the Oracle® Enterprise Session Border Controller to interwork the protocol of an ingress message into a different protocol (H.323<—>SIP or SIP—>H.323) upon its egress to the next hop.

For example, if the application protocol is set to SIP, an inbound H.323 message will be interworked to SIP as it is sent to the next hop. An inbound SIP message would pass to the next hop unaffected. If the application protocol is set to H323, an inbound SIP message will be interworked to H.323 before being sent to the next hop.