<html>
<!-- $Id$ -->
<header>
<title>
Click-To-Dial
</title>
</header>

<body>
<h1>
Click-To-Dial (using REFER)
</h1>

<i>Unfortunately, this example does not work. The reason is use of
REFER for third-party call-control has not been standardized due
to resistance of proponents of B2BUA use (which is somewhat bloated
and not always operational).
</i>

<form method=POST action=click_to_dial.php>
<table>
<tr>
<td>
Caller's SIP Address
<td>
<input name=caller>
<tr>
<td>
Callee's SIP Address
<td>
<input name=callee>
<tr>
<td>Click to dial
<td>
<input type=submit value=now>
</table>
</form>


</body>