Respond the client after sending the soap request to the jms queue

This can be achieved with the following configuration.

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://ws.apache.org/ns/synapse">
   <registry provider="org.wso2.carbon.mediation.registry.WSO2Registry">
      <parameter name="cachableDuration">15000</parameter>
   </registry>
   <proxy name="StockQuoteProxy"
          transports="http"
          startOnLoad="true"
          trace="disable">
      <description/>
      <target>
         <inSequence>
            <property name="OUT_ONLY" value="true"/>
            <clone>
               <target>
                  <endpoint>
                     <address uri="http://localhost:9000/services/SimpleStockQuoteService"/>
                  </endpoint>
               </target>
               <target sequence="test"/>
            </clone>
         </inSequence>
         <outSequence>
            <send/>
         </outSequence>
      </target>
   </proxy>
   <sequence name="test">
      <payloadFactory>
         <format>
            <ns:a xmlns:ns="http://services.samples">
               <ns:b>Accepted</ns:b>
            </ns:a>
         </format>
      </payloadFactory>
      <property name="HTTP_SC" value="202" scope="axis2"/>
      <header name="To" action="remove"/>
      <property name="RESPONSE" value="true"/>
      <send/>
   </sequence>
   <sequence name="fault">
      <log level="full">
         <property name="MESSAGE" value="Executing default 'fault' sequence"/>
         <property name="ERROR_CODE" expression="get-property('ERROR_CODE')"/>
         <property name="ERROR_MESSAGE" expression="get-property('ERROR_MESSAGE')"/>
      </log>
      <drop/>
   </sequence>
   <sequence name="main">
      <in>
         <log level="full"/>
         <filter source="get-property('To')" regex="http://localhost:9000.*">
            <send/>
         </filter>
      </in>
      <out>
         <send/>
      </out>
      <description>The main sequence for the message mediation</description>
   </sequence>
</definitions>


Please replace the following line according to your end point.
" <address uri="http://localhost:9000/services/SimpleStockQuoteService"/> "