关于配置AXIS2 SERVICE.XML 请问如何配置

关于配置AXIS2 SERVICE.XML 请问如何配置:
比如说下面的配置文件是,都代表什么意思,请高手解答:
<?xml version="1.0" encoding="UTF-8"?>
<!-- This file was auto-generated from WSDL -->
<!-- by the Apache Axis2 version: 1.3  Built on : Aug 10, 2007 (04:45:47 LKT) -->
<serviceGroup>
    <service name="SmsNotificationService">
        <messageReceivers>
            <messageReceiver mep="http://www.w3.org/ns/wsdl/in-out" class="cn.com.chinatelecom.www.wsdl.ctcc.sms.notification.v2_1.service.SmsNotificationServiceMessageReceiverInOut"/>
        </messageReceivers>
        <parameter name="ServiceClass">cn.com.chinatelecom.www.wsdl.ctcc.sms.notification.v2_1.service.SmsNotificationServiceSkeleton</parameter>
        <parameter name="useOriginalwsdl">true</parameter>
        <parameter name="modifyUserWSDLPortAddress">true</parameter>
        <operation name="notifySmsReception" mep="http://www.w3.org/ns/wsdl/in-out">
            <actionMapping>\"\"</actionMapping>
            <outputActionMapping>http://www.chinatelecom.com.cn/wsdl/ctcc/sms/notification/v2_1/service/SmsNotification/notifySmsReceptionResponse</outputActionMapping>
        </operation>
        <operation name="notifySmsDeliveryReceipt" mep="http://www.w3.org/ns/wsdl/in-out">
            <actionMapping>\"\"</actionMapping>
            <outputActionMapping>http://www.chinatelecom.com.cn/wsdl/ctcc/sms/notification/v2_1/service/SmsNotification/notifySmsDeliveryReceiptResponse</outputActionMapping>
        </operation>
    </service>
</serviceGroup>