Condition Elements

The condition elements specify the kind of data on which rule decisions are based. All attribute values are case-sensitive.

header

Specifies a rule based on a request header.

Superelements

sip-rules, http-rules, or, and, if

Subelements

Exactly one of the following subelements is required:

exist, notexist

Attributes

The following attributes are required.

name

Specifies the name of the request header.

return

Specifies a variable that evaluates to the return value. See Variables.

request-uri

Specifies a rule based on a request URI and its parameters.

Superelements

sip-rules, http-rules, or, and, if

Subelements

Exactly one of the following subelements is required:

exist, notexist, match

Attributes

The following attributes are required if the subelement is exist or notexist and optional if the subelement is match.

parameter

Specifies the request URI parameter.

return

Specifies a variable that evaluates to the return value. See Variables.

session-case

Specifies a rule based on the call parameter of a SIP session. Only relevant in IMS/3GPP (Internet Protocol Multimedia Subsystem Third Generation Partnership Project) environments. For details, see the equal subelement description.

Superelements

sip-rules, http-rules, or, and, if

Subelements

The equal subelement is required and must occur first.

All of the following subelements are optional and can occur in any number and any order:

or, and, if, header, request-uri, session-case, cookie

cookie

Specifies a rule based on an HTTP cookie.

Superelements

sip-rules, http-rules, or, and, if

Subelements

Exactly one of the following subelements is required:

exist, notexist

Attributes

The following attributes are required.

name

Specifies the name of the cookie.

return

Specifies a variable that evaluates to the return value. See Variables.