Overview

The SIP specification (RFC 3261) requires that the Oracle® Enterprise Session Border Controller B2BUA reject any request that contains a Require header with an option tag the Oracle® Enterprise Session Border Controller does not support. However, many of these extensions operate transparently through the Oracle® Enterprise Session Border Controller's B2BUA. You can configure how SIP defines the Oracle® Enterprise Session Border Controllers B2BUA treatment of specific option tags.

Also, there might be certain extensions that an endpoint indicates support for by including the option tag in a Supported header. If you do not want a given extension used in your network, the you can configure SIP option tag handling to remove the undesired option tag from the Supported header. You can also specify how option tags in Proxy-Require headers are to be treated.