VoIP QoS settings

Discussion in 'Other Linksys Equipment' started by SimonMackay, Jul 28, 2005.

  1. SimonMackay

    SimonMackay Network Guru Member

    Hi all!

    I had heard that Engin, the Australian VoIP provider, is now going to deploy Linksys VoIP hardware and I know that it could be considered as a "cheapest overseas calls" solution for us.

    How would I set up the Linksys WRT-54G router's QoS functionality to provide "best results" with VoIP ATAs like the Engin Voice Box? The ATA could exist as directly connected to the WRT-54G or be plugged in to a switch.

    With regards,

    Simon Mackay
  2. Guyfromhe

    Guyfromhe Network Guru Member

    you'd be best off directly connecting it and setting the port it's connected to to high priority and the rest as low, this will make sure any traffic comming from the ATA gets bumped ahead all other traffic.
  3. NateHoy

    NateHoy Network Guru Member

    I have a WRT54G V4 running HyperWRT Tofu 10. I simply plugged my Vonage WRTP54G (a Vonage supplied Linksys router that is great at phone, but a terrible router) into Ethernet Port 4, then set Port 4 as "HIGH" in QoS. Haven't had the slightest problem since I upgraded to this configuration.

    You can also set the MAC address for whatever you are using as your VoIP adapter to "Highest". I don't know if that would be more or less effective than port priority. But port priority seems to work fine for me.

    Depending on your service provider, you MAY have to forward a port or two on the router, or even put the VoIP adapter in the DMZ if there are too many ports, but for Vonage this is absolutely not necessary. My WRT54G can drive my Vonage line behind the WRT54G's router/firewall without any problems.

    One lesson learned...

    I bought the WRTP54G because I thought it would be cool to have my Vonage adapter, router, etc all in one unit. Worked great for a while, but I'd now recommend against this. Vonage did a firmware upgrade in October that made the voice side of the unit run better but pretty much destroyed the unit's capabilities as a router.

    They also have not managed to get QoS working. And since I can't get into startup scripts, or tweak any of the settings on the router, I was stuck with a pretty much useless router. I ended up spending more money putting a better router in front of the WRTP54G and relegating the WRTP54G to Vonage duty ONLY. It works great for that. But I could have just had a voice adapter considerably cheaper, and bought a good router in the first place.

    Get a good voice adapter, and put it on a router where YOU control the firmware.
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