<html>
<head></head>
<body> <span style="font-family:sans-serif">Do you mean like somehow cause the listeners media player to pop open a web browser and display a specific web page?</span>
<br>
<br> <span style="font-family:sans-serif">I wouldn't have thought so. I can only presume the closest to what you want would be returning an http 503 and the client media player decides how to communicate that to the user, but I don't know if you can set icecast up to do that. </span>
<br>
<br> <span style="font-family:sans-serif">What happens if you hit a mount point that has nothing streaming to it?</span>
<br>
</body>
</html>