freeswitch/conf/autoload_configs/console.conf.xml

<configuration name="console.conf" description="Console Logger">
  <!-- pick a file name, a function name or 'all' -->
  <!-- map as many as you need for specific debugging -->
  <mappings>
    <!-- 
	 name can be a file name, function name or 'all' 
	 value is one or more of debug,info,notice,warning,err,crit,alert,all
    -->
    <map name="all" value="info,notice,warning,err,crit,alert"/>
  </mappings>
  <settings>
    <!-- comment or set to false for no color logging -->
    <param name="colorize" value="true"/>
  </settings>
</configuration>