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