freeswitch/src/mod/endpoints/mod_h323/h323.conf.xml

<configuration name="h323.conf" description="H323 Endpoints">
  <settings>
    <param name="trace-level" value="10"/>
    <param name="context" value="default"/>
    <param name="dialplan" value="XML"/>
    <param name="codec-prefs" value="PCMA,PCMU,GSM,G729"/>
    <param name="use-rtp-timer" value="true"/> <!-- enable RTP timer - should always be enabled -->
    <param name="rtp-timer-name" value="soft"/> <!-- Timer name, soft is default -->
    <!-- <param name="ptime-override-value" value="20"/> --> <!-- Override negotiated ptime value with this value -->
    <param name="gk-address" value=""/>    <!-- empty to disable, "*" to search LAN -->
    <param name="gk-identifer" value=""/>  <!-- optional name of gk -->
    <param name="gk-interface" value=""/>  <!-- optional UDP listener interface (IP:port) -->
    <param name="gk-retry" value="30"/>  <!-- optional GK register retry timer -->
    <param name="faststart" value="true"/>  <!-- optional -->
    <param name="h245tunneling" value="true"/>  <!-- optional -->
    <param name="h245insetup" value="true"/>  <!-- optional -->
    <param name="jitter-size" value="60"/>  <!-- optional -->
    <param name="progress-indication" value="8"/> <!-- optional - PI value in progress message-->
    <param name="alerting-indication" value="8"/> <!-- optional - PI value in alerting message-->
    <param name="endpoint-name" value="fs"/>
    <param name="fax-old-asn" value="true"/>
  </settings>
  <listeners>
    <listener name="default">
      <param name="h323-ip" value="$${local_ip_v4}"/>
      <param name="h323-port" value="1720"/>
    </listener>
  </listeners>
</configuration>