<?xml version="1.0" encoding="UTF-8"?>
<!-- XML Schema Definition for data types to be used in HeartbeatService specified in this Recommendation.
   Filename : q818_HeartbeatService.xsd -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:hs="http://www.itu.int/xml-namespace/itu-t/q.818/HeartbeatService" targetNamespace="http://www.itu.int/xml-namespace/itu-t/q.818/HeartbeatService" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.0">
   <xsd:simpleType name="SystemLabelType">
      <xsd:restriction base="xsd:string"/>
   </xsd:simpleType>
   <xsd:simpleType name="HeartbeatPeriodType">
      <xsd:restriction base="xsd:unsignedLong"/>
   </xsd:simpleType>
   <xsd:simpleType name="GeneralizedTimeType">
      <xsd:restriction base="xsd:dateTime"/>
   </xsd:simpleType>
</xsd:schema>