<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:tns="urn:ietf:params:xml:ns:conference-info" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="urn:ietf:params:xml:ns:conference-info" targetNamespace="urn:ietf:params:xml:ns:conference-info" elementFormDefault="qualified" attributeFormDefault="unqualified">
<!--
     This imports the xml:language definition
   -->
  <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/03/xml.xsd"/>
<!--
     CONFERENCE ELEMENT
   -->
  <xs:element name="conference-info" type="conference-type"/>
<!--
         CONFERENCE TYPE
      -->
  <xs:complexType name="conference-type">
    <xs:sequence>
      <xs:element name="conference-description" type="conference-description-type" minOccurs="0"/>
      <xs:element name="host-info" type="host-type" minOccurs="0"/>
      <xs:element name="conference-state" type="conference-state-type" minOccurs="0"/>
      <xs:element name="users" type="users-type" minOccurs="0"/>
      <xs:element name="sidebars-by-ref" type="uris-type" minOccurs="0"/>
      <xs:element name="sidebars-by-val" type="sidebars-by-val-type" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="entity" type="xs:anyURI" use="required"/>
    <xs:attribute name="state" type="state-type" use="optional" default="full"/>
    <xs:attribute name="version" type="xs:unsignedInt" use="optional"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         STATE TYPE
      -->
  <xs:simpleType name="state-type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="full"/>
      <xs:enumeration value="partial"/>
      <xs:enumeration value="deleted"/>
    </xs:restriction>
  </xs:simpleType>
<!--
         CONFERENCE DESCRIPTION TYPE
      -->
  <xs:complexType name="conference-description-type">
    <xs:sequence>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="subject" type="xs:string" minOccurs="0"/>
      <xs:element name="free-text" type="xs:string" minOccurs="0"/>
      <xs:element name="keywords" type="keywords-type" minOccurs="0"/>
      <xs:element name="conf-uris" type="uris-type" minOccurs="0"/>
      <xs:element name="service-uris" type="uris-type" minOccurs="0"/>
      <xs:element name="maximum-user-count" type="xs:unsignedInt" minOccurs="0"/>
      <xs:element name="available-media" type="conference-media-type" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         HOST TYPE
      -->
  <xs:complexType name="host-type">
    <xs:sequence>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="web-page" type="xs:anyURI" minOccurs="0"/>
      <xs:element name="uris" type="uris-type" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         CONFERENCE STATE TYPE
      -->
  <xs:complexType name="conference-state-type">
    <xs:sequence>
      <xs:element name="user-count" type="xs:unsignedInt" minOccurs="0"/>
      <xs:element name="active" type="xs:boolean" minOccurs="0"/>
      <xs:element name="locked" type="xs:boolean" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         CONFERENCE MEDIA TYPE
      -->
  <xs:complexType name="conference-media-type">
    <xs:sequence>
      <xs:element name="entry" type="conference-medium-type" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         CONFERENCE MEDIUM TYPE
      -->
  <xs:complexType name="conference-medium-type">
    <xs:sequence>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="type" type="xs:string"/>
      <xs:element name="status" type="media-status-type" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="label" type="xs:string" use="required"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         URIs TYPE
      -->
  <xs:complexType name="uris-type">
    <xs:sequence>
      <xs:element name="entry" type="uri-type" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="state" type="state-type" use="optional" default="full"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         URI TYPE
      -->
  <xs:complexType name="uri-type">
    <xs:sequence>
      <xs:element name="uri" type="xs:anyURI"/>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="purpose" type="xs:string" minOccurs="0"/>
      <xs:element name="modified" type="execution-type" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         KEWORDS TYPE
      -->
  <xs:simpleType name="keywords-type">
    <xs:list itemType="xs:string"/>
  </xs:simpleType>
<!--
         USERS TYPE
      -->
  <xs:complexType name="users-type">
    <xs:sequence>
      <xs:element name="user" type="user-type" minOccurs="0" maxOccurs="unbounded"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="state" type="state-type" use="optional" default="full"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         USER TYPE
      -->
  <xs:complexType name="user-type">
    <xs:sequence>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="associated-aors" type="uris-type" minOccurs="0"/>
      <xs:element name="roles" type="user-roles-type" minOccurs="0"/>
      <xs:element name="languages" type="user-languages-type" minOccurs="0"/>
      <xs:element name="cascaded-focus" type="xs:anyURI" minOccurs="0"/>
      <xs:element name="endpoint" type="endpoint-type" minOccurs="0" maxOccurs="unbounded"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="entity" type="xs:anyURI"/>
    <xs:attribute name="state" type="state-type" use="optional" default="full"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         USER ROLES TYPE
      -->
  <xs:complexType name="user-roles-type">
    <xs:sequence>
      <xs:element name="entry" type="xs:string" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         USER LANGUAGES TYPE
      -->
  <xs:simpleType name="user-languages-type">
    <xs:list itemType="xs:language"/>
  </xs:simpleType>
<!--
         ENDPOINT TYPE
      -->
  <xs:complexType name="endpoint-type">
    <xs:sequence>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="referred" type="execution-type" minOccurs="0"/>
      <xs:element name="status" type="endpoint-status-type" minOccurs="0"/>
      <xs:element name="joining-method" type="joining-type" minOccurs="0"/>
      <xs:element name="joining-info" type="execution-type" minOccurs="0"/>
      <xs:element name="disconnection-method" type="disconnection-type" minOccurs="0"/>
      <xs:element name="disconnection-info" type="execution-type" minOccurs="0"/>
      <xs:element name="media" type="media-type" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element name="call-info" type="call-type" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="entity" type="xs:string"/>
    <xs:attribute name="state" type="state-type" use="optional" default="full"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         ENDPOINT STATUS TYPE
      -->
  <xs:simpleType name="endpoint-status-type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="pending"/>
      <xs:enumeration value="dialing-out"/>
      <xs:enumeration value="dialing-in"/>
      <xs:enumeration value="alerting"/>
      <xs:enumeration value="on-hold"/>
      <xs:enumeration value="connected"/>
      <xs:enumeration value="muted-via-focus"/>
      <xs:enumeration value="disconnecting"/>
      <xs:enumeration value="disconnected"/>
    </xs:restriction>
  </xs:simpleType>
<!--
         JOINING TYPE
      -->
  <xs:simpleType name="joining-type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="dialed-in"/>
      <xs:enumeration value="dialed-out"/>
      <xs:enumeration value="focus-owner"/>
    </xs:restriction>
  </xs:simpleType>
<!--
         DISCONNECTION TYPE
      -->
  <xs:simpleType name="disconnection-type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="departed"/>
      <xs:enumeration value="booted"/>
      <xs:enumeration value="failed"/>
      <xs:enumeration value="busy"/>
    </xs:restriction>
  </xs:simpleType>
<!--
         EXECUTION TYPE
      -->
  <xs:complexType name="execution-type">
    <xs:sequence>
      <xs:element name="when" type="xs:dateTime" minOccurs="0"/>
      <xs:element name="reason" type="xs:string" minOccurs="0"/>
      <xs:element name="by" type="xs:anyURI" minOccurs="0"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         CALL TYPE
      -->
  <xs:complexType name="call-type">
    <xs:choice>
      <xs:element name="sip" type="sip-dialog-id-type"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:choice>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         SIP DIALOG ID TYPE
      -->
  <xs:complexType name="sip-dialog-id-type">
    <xs:sequence>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="call-id" type="xs:string"/>
      <xs:element name="from-tag" type="xs:string"/>
      <xs:element name="to-tag" type="xs:string"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         MEDIA TYPE
      -->
  <xs:complexType name="media-type">
    <xs:sequence>
      <xs:element name="display-text" type="xs:string" minOccurs="0"/>
      <xs:element name="type" type="xs:string" minOccurs="0"/>
      <xs:element name="label" type="xs:string" minOccurs="0"/>
      <xs:element name="src-id" type="xs:string" minOccurs="0"/>
      <xs:element name="status" type="media-status-type" minOccurs="0"/>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="id" type="xs:string" use="required"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
<!--
         MEDIA STATUS TYPE
      -->
  <xs:simpleType name="media-status-type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="recvonly"/>
      <xs:enumeration value="sendonly"/>
      <xs:enumeration value="sendrecv"/>
      <xs:enumeration value="inactive"/>
    </xs:restriction>
  </xs:simpleType>
<!--
         SIDEBARS BY VAL TYPE
       -->
  <xs:complexType name="sidebars-by-val-type">
    <xs:sequence>
      <xs:element name="entry" type="conference-type" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="state" type="state-type" use="optional" default="full"/>
    <xs:anyAttribute namespace="##other" processContents="lax"/>
  </xs:complexType>
</xs:schema>
