VoIP Business Phone System - Completely Stumped!

Discussion in 'Tomato Firmware' started by sgoldwa, Apr 21, 2008.

  1. sgoldwa

    sgoldwa LI Guru Member

    Hi all,
    I have been at it for days now! Please help if you can.

    I have 2 OpenVPN'd routers with Tomato 1.16 on each end. I have two small business-type phone systems in each of two homes I own, and these phone systems have site-to-site IP support. (I can call Room A in 1 location to Room B in the other -- pretty trick!)

    I also have VoIP phone lines (aka Vonage).

    Vonage QoS works great when I am using Bittorrent. I have put the MAC address of the ATA box into the QoS Classification and it just works.

    However, when I put the MAC address of the VoIP card that resides within my phone system, then I make a call to the other house, I get total sh** for voice quality. I have also tried doing it using the IP address of the VoIP card, and it does not work either.

    In checking the Details tab, I notice that the IP address of the VoIP card in the phone system consistently shows up as "Unclassified". The port number I use for Bittorrent is (correctly) being listed as "Lowest".

    To me, the VoIP card in the phone system is not really any different than a Vonage ATA box in that both have MAC addresses and both have an Ethernet cable output to the router.

    What am I missing? Does anyone else have any idea on how I might be able to prioritize this VoIP card traffic??

    Thanks in advance!

  2. sgoldwa

    sgoldwa LI Guru Member

    One more possibility

    One other thing ... the phone system is down in my basement and it is connected to an inexpensive Linksys switch. The switch then connects to my upstairs Tomato'd router.

    Does the switch have to be a certain type to allow packet prioritization to pass through? That is the only other possibility I can come up with. (I do know that the phone system has a setting to enable/disable IEEE 802.1p packet tagging/prioritization, and am wondering if all of the other equipment in the loop has to support this as well).

    Thanks again for the help.

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