<include>
  <gateway name="voipuser">
    <param name="username" value="username"/>
    <param name="password" value="xxxxxxu"/>
    <param name="realm" value="sip.voipoipuser.org"/>
    <param name="proxy" value="sip.voipuser.org"/>
    <param name="register" value="true"/>
  </gateway>
</include>
