Jason Brunk wrote:

>I would also be very interested in this as I currently use vonage at home
>and would love to prioritize it. 
>
>-----Original Message-----
>From: Ian Chilton [mailto:ian at ichilton dot co dot uk] 
>Sent: Wednesday, November 03, 2004 4:47 PM
>To: m0n0wall at lists dot m0n0 dot ch
>Subject: [m0n0wall] Traffic Shaping for VoIP
>
>Hi,
>
>I want to make voip connections the highest priority traffic on my internet
>connection - does anyone have any experience of doing this with m0n0wall?
>
>How well does it work?
>What rules did you use?
>
>I want to be able to use SIP and IAX2?
>
>
>Thanks
>
>--ian
>
You might want to search the mailing list on this, it has been covered 
extensively.  Here is a link to a very quick search I did.

http://m0n0.ch/wall/list/query.php?type=all&query=voip

Chris