freeswitch/conf/vanilla/autoload_configs/mongo.conf.xml

<configuration name="mongo.conf">
  <settings>
    <!-- 
         mongodb://[username:password@]host1[:port1][,host2[:port2],...[,hostN[:portN]]][/[database][?options]]
    -->
    <param name="connection-string" value="mongodb://127.0.0.1:27017/?connectTimeoutMS=10000"/>

<!--
    <param name="map" value="function() { emit(this.a, 1); }"/>
    <param name="reduce" value="function(key, values) { return Array.sum(values); }"/>
    <param name="finalize" value="function(key, value) { return value;}"/>
-->

  </settings>
</configuration>