<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="urn:oasis:names:tc:SAML:2.0:ac:classes:AuthenticatedTelephony" targetNamespace="urn:oasis:names:tc:SAML:2.0:ac:classes:AuthenticatedTelephony" finalDefault="extension" blockDefault="substitution" version="2.0">

    <xs:redefine schemaLocation="classpath:/schema/saml-schema-authn-context-types-2.0.xsd">

        <xs:annotation>
            <xs:documentation>
                Class identifier: urn:oasis:names:tc:SAML:2.0:ac:classes:AuthenticatedTelephony Document identifier:
                saml-schema-authn-context-auth-telephony-2.0 Location: http://docs.oasis-open.org/security/saml/v2.0/
                Revision history: V2.0 (March, 2005): New authentication context class schema for SAML V2.0.
            </xs:documentation>
        </xs:annotation>

        <xs:complexType name="AuthnContextDeclarationBaseType">
            <xs:complexContent>
                <xs:restriction base="AuthnContextDeclarationBaseType">
                    <xs:sequence>
                        <xs:element ref="Identification" minOccurs="0"/>
                        <xs:element ref="TechnicalProtection" minOccurs="0"/>
                        <xs:element ref="OperationalProtection" minOccurs="0"/>
                        <xs:element ref="AuthnMethod"/>
                        <xs:element ref="GoverningAgreements" minOccurs="0"/>
                        <xs:element ref="Extension" minOccurs="0" maxOccurs="unbounded"/>
                    </xs:sequence>
                    <xs:attribute name="ID" type="xs:ID" use="optional"/>
                </xs:restriction>
            </xs:complexContent>
        </xs:complexType>

        <xs:complexType name="AuthnMethodBaseType">
            <xs:complexContent>
                <xs:restriction base="AuthnMethodBaseType">
                    <xs:sequence>
                        <xs:element ref="PrincipalAuthenticationMechanism" minOccurs="0"/>
                        <xs:element ref="Authenticator"/>
                        <xs:element ref="AuthenticatorTransportProtocol"/>
                        <xs:element ref="Extension" minOccurs="0" maxOccurs="unbounded"/>
                    </xs:sequence>
                </xs:restriction>
            </xs:complexContent>
        </xs:complexType>

        <xs:complexType name="AuthenticatorBaseType">
            <xs:complexContent>
                <xs:restriction base="AuthenticatorBaseType">
                    <xs:sequence>
                        <xs:element ref="Password"/>
                        <xs:element ref="SubscriberLineNumber"/>
                        <xs:element ref="UserSuffix"/>
                    </xs:sequence>
                </xs:restriction>
            </xs:complexContent>
        </xs:complexType>

        <xs:complexType name="AuthenticatorTransportProtocolType">
            <xs:complexContent>
                <xs:restriction base="AuthenticatorTransportProtocolType">
                    <xs:sequence>
                        <xs:choice>
                            <xs:element ref="PSTN"/>
                            <xs:element ref="ISDN"/>
                            <xs:element ref="ADSL"/>
                        </xs:choice>
                        <xs:element ref="Extension" minOccurs="0" maxOccurs="unbounded"/>
                    </xs:sequence>
                </xs:restriction>
            </xs:complexContent>
        </xs:complexType>

    </xs:redefine>

</xs:schema>
