2.2.2.5.1 ASR XML Schema Definition

The ASR XML schema defines a format for storing ASR messages. The ASR XML conforms to the following XML schema.

<?xml version="1.0" encoding="UTF-8"?>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:evm="http://schemas.microsoft.com/exchange/um/2010/evm" targetNamespace="http://schemas.microsoft.com/exchange/um/2010/evm">

     <!--Type definitions-->
     <xs:simpleType name="zeroToUnityDoubleType">
         <xs:restriction base="xs:double">
             <xs:minInclusive value="0.0"/>
             <xs:maxInclusive value="1.0"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="versionNumberType">
         <xs:restriction base="xs:token">
             <xs:pattern value="\d+\.\d+\.\d+\.\d+"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:complexType name="recoObjectType">
         <xs:simpleContent>
             <xs:extension base="xs:string">
                 <xs:attribute name="ts" use="required">
                     <xs:simpleType>
                         <xs:restriction base="xs:time"/>
                     </xs:simpleType>
                 </xs:attribute>
                 <xs:attribute name="te" use="required">
                     <xs:simpleType>
                         <xs:restriction base="xs:time"/>
                     </xs:simpleType>
                 </xs:attribute>
                 <xs:attribute name="c" use="required">
                     <xs:simpleType>
                         <xs:restriction base="evm:zeroToUnityDoubleType"/>
                     </xs:simpleType>
                 </xs:attribute>
                 <xs:attribute name="nx" use="optional">
                     <xs:simpleType>
                         <xs:restriction base="xs:token"/>
                     </xs:simpleType>
                 </xs:attribute>
                 <xs:attribute name="id" use="required">
                     <xs:simpleType>
                         <xs:restriction base="xs:ID"/>
                     </xs:simpleType>
                 </xs:attribute>
                 <xs:attribute name="be" use="optional" default="1">
                     <xs:simpleType>
                         <xs:restriction base="xs:boolean"/>
                     </xs:simpleType>
                 </xs:attribute>
             </xs:extension>
         </xs:simpleContent>
     </xs:complexType>
     <xs:simpleType name="recoResultType">
         <xs:restriction base="xs:NCName">
             <xs:enumeration value="skipped"/>
             <xs:enumeration value="attempted"/>
             <xs:enumeration value="partial"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="recoErrorType">
         <xs:restriction base="xs:NCName">
             <xs:enumeration value="success"/>
             <xs:enumeration value="audioqualitypoor"/>
             <xs:enumeration value="languagenotsupported"/>
             <xs:enumeration value="rejected"/>
             <xs:enumeration value="badrequest"/>
             <xs:enumeration value="systemerror"/>
             <xs:enumeration value="timeout"/>
             <xs:enumeration value="messagetoolong"/>
             <xs:enumeration value="protectedvoicemail"/>
             <xs:enumeration value="throttled"/>
             <xs:enumeration value="other"/>
             <xs:enumeration value="errorreadingsettings"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="confidenceBandType">
         <xs:restriction base="xs:NCName">
             <xs:enumeration value="low"/>
             <xs:enumeration value="medium"/>
             <xs:enumeration value="high"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="breakWeightType">
         <xs:restriction base="xs:NCName">
             <xs:enumeration value="low"/>
             <xs:enumeration value="medium"/>
             <xs:enumeration value="high"/>
         </xs:restriction>
     </xs:simpleType>
     <!--Element definitions-->
     <xs:element name="Break">
         <xs:complexType>
             <xs:simpleContent>
                 <xs:extension base="evm:recoObjectType">
                     <xs:attribute name="wt" type="evm:breakWeightType" 
                         use="optional" default="medium"/>
                 </xs:extension>
             </xs:simpleContent>
         </xs:complexType>
     </xs:element>
     <xs:element name="Text">
         <xs:complexType>
             <xs:simpleContent>
                 <xs:extension base="evm:recoObjectType"/>
             </xs:simpleContent>
         </xs:complexType>
     </xs:element>
     <xs:element name="Feature">
         <xs:complexType>
             <xs:sequence maxOccurs="unbounded">
                 <xs:element ref="evm:Text"/>
             </xs:sequence>
             <xs:attribute name="class" use="required">
                 <xs:simpleType>
                     <xs:restriction base="xs:token"/>
                 </xs:simpleType>
             </xs:attribute>
             <xs:attribute name="reference" type="xs:token" use="optional"/>
             <xs:attribute name="reference2" type="xs:token" use="optional"/>
         </xs:complexType>
     </xs:element>
     <xs:element name="ErrorInformation">
         <xs:complexType>
             <xs:simpleContent>
                 <xs:extension base="xs:token">
                     <xs:attribute name="lang" type="xs:language" use="required"/>
                 </xs:extension>
             </xs:simpleContent>
         </xs:complexType>
     </xs:element>
     <xs:element name="Information">
         <xs:complexType>
             <xs:simpleContent>
                 <xs:extension base="xs:string">
                     <xs:attribute name="lang" type="xs:language" use="required"/>
                     <xs:attribute name="linkURL" type="xs:anyURI" use="optional" default=""/>
                     <xs:attribute name="linkText" type="xs:normalizedString" 
                         use="optional" default=""/>
                 </xs:extension>
             </xs:simpleContent>
         </xs:complexType>
     </xs:element>
     <xs:element name="ASR">
         <xs:complexType>
             <xs:choice minOccurs="0" maxOccurs="unbounded">
                 <xs:element ref="evm:ErrorInformation" minOccurs="0" maxOccurs="1"/>
                 <xs:element ref="evm:Text"/>
                 <xs:element ref="evm:Break"/>
                 <xs:element ref="evm:Feature"/>
                 <xs:element ref="evm:Information" minOccurs="0" maxOccurs="1"/>
             </xs:choice>
             <xs:attribute name="productID" type="xs:unsignedInt" use="optional" default="0"/>
             <xs:attribute name="confidence" type="evm:zeroToUnityDoubleType" use="required"/>
             <xs:attribute name="confidenceBand" type="evm:confidenceBandType" 
                 use="optional" default="medium"/>
             <xs:attribute name="lang" type="xs:language" use="required"/>
             <xs:attribute name="productVersion" type="evm:versionNumberType" use="optional"/>
             <xs:attribute name="recognitionError" type="evm:recoErrorType" use="required"/>
             <xs:attribute name="recognitionResult" type="evm:recoResultType" use="required"/>
             <xs:attribute name="schemaVersion" type="evm:versionNumberType" use="required"/>
         </xs:complexType>
     </xs:element>
 </xs:schema>