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>

<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>