File _service of Package opal

<?xml version="1.0" ?>
<services>
  <service name="download_url">
    <param name="protocol">http</param>
    <param name="host">downloads.sourceforge.net</param>
    <param name="path">/project/opalvoip/v3.6%20Lalande/Final/opal-3.6.8.tar.bz2</param>
  </service>
  <service name="verify_file">
    <param name="file">_service:download_url:opal-3.6.8.tar.bz2</param>
    <param name="verifier">sha256</param>
    <param name="checksum">8cbfabb33e5c5563fdafacf1adde536c78638d6d020fae496a52e19e2be6a90c</param>
  </service>
</services>