freeswitch/conf/vanilla/directory/default/example.com.xml

<!--
    Shell provider account should work with most providers.

-->
<include>
  <user id="$${default_provider}">
    <gateways>
      <gateway name="$${default_provider}">
	<param name="username" value="$${default_provider_username}"/>
	<param name="password" value="$${default_provider_password}"/>
	<param name="from-user" value="$${default_provider_username}"/>
	<param name="from-domain" value="$${default_provider_from_domain}"/>
	<param name="expire-seconds" value="600"/>
	<param name="register" value="$${default_provider_register}"/>
	<param name="retry-seconds" value="30"/>
	<param name="extension" value="$${default_provider_contact}"/>
	<!--<param name="contact-params" value="domain_name=$${domain}"/>-->
	<param name="context" value="public"/>
      </gateway>
    </gateways>
    <params>
      <param name="password" value="$${default_provider_password}"/>
    </params>
  </user>
</include>