2.2.9.2 Target Element
The target element specifies a target the call can be routed to. The uri attribute, if present, SHOULD be a valid SIP URI. At least one of the uri or application attributes MUST be present.
Any unknown attributes SHOULD be ignored while processing an incoming INVITE request.<9>
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<xs:complexType name="target-type"> <xs:annotation> <xs:documentation>At least one of uri or application attributes are required.</xs:documentation> </xs:annotation> <xs:attribute name="uri" type="xs:string" use="optional" /> <xs:attribute name="application" type="xs:string" use="optional" /> <xs:anyAttribute namespace="##any" processContents="lax" /> </xs:complexType>