<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 12pt;
font-family:Calibri
}
--></style></head>
<body class='hmmessage'><div dir='ltr'>Hello,<br><br>I am facing NAT &amp; Firewall problems how I can solve this issue I've tried RTPProxy but voice quality is bad.<br><br>any tutorial, please<br><br>Amr<br>                                               </div></body>
</html>