<?xml version="1.0" encoding="UTF-8"?>
<xs:schema targetNamespace="urn:ietf:params:xml:ns:pidf:cipid"
    xmlns:cipid="urn:ietf:params:xml:ns:pidf:cipid"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    elementFormDefault="qualified"
    attributeFormDefault="unqualified">

  <xs:annotation>
    <xs:documentation>
      Describes CIPID tuple extensions for PIDF.
    </xs:documentation> 
  </xs:annotation>

  <xs:element name="card" type="xs:anyURI"/>
  <xs:element name="display-name" type="xs:string"/>
  <xs:element name="homepage" type="xs:anyURI"/>
  <xs:element name="icon" type="xs:anyURI"/>
  <xs:element name="map" type="xs:anyURI"/>
  <xs:element name="sound" type="xs:anyURI"/>
</xs:schema>