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Joined: Sep 2006
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one other common way that many routers prioritize VoIP is by port number. Most VoIP uses SIP, which uses port 5060 for control. If the router has some simple intelligence it can then watch the SIP packets and figure out what ports the RTP is going on, and prioritize those also.

Also as was mentioned, most dedicated IP phones flag their packets as high priority, which also helps.


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Joined: Jan 2007
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Cyberguard make an "slightly higher then entry level" router that has some nice features such QoS (based on TCP or UDP port) Also has VPN (both client and server).

I use the SG300 at my office and my home for my VoIP extension. I think I paid around $300 for it a year or so ago.

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