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7.8

Implemeting VoIP and QoS

Asked by stevegoldwa in Voice Over IP, Network Routers

Tags: VoIP, QoS, Tomato firmware

I am doing VoIP using Asterisk PBX, and using a softphone on my PC. Asterisk states that ports 5060 and 10000-20000 are needed for the phone system. So in my Buffalo router running Tomato firmware, I have prioritized this traffic as "Highest" with everything else "Lowest" (including BitTorrent). The problem is that when I am surfing the web and pages are being pulled up the voice quality suffers for me ... as well as my colleague. And it really sounds horrible if I am downloading something on BitTorrent. Since the softphone runs on the same PC as my browser, I felt the only way to do VoIP QoS was by port number and NOT by IP address.  

Does anyone know what I am doing wrong?  Is it just that QoS is broken with Tomato firmware (in the QoS sense, I hear that Tomato is way better than DD-WRT).  I would also be willing to buy a new router that would fix the problem if anyone has any suggestions.

Thanks in advance!
 
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[+][-]10/08/09 08:03 PM, ID: 25532079Expert Comment

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[+][-]10/09/09 07:58 PM, ID: 25540590Expert Comment

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[+][-]10/09/09 10:26 PM, ID: 25540946Author Comment

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[+][-]10/10/09 08:04 AM, ID: 25542529Expert Comment

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[+][-]10/10/09 05:23 PM, ID: 25544405Author Comment

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[+][-]10/10/09 08:01 PM, ID: 25544738Accepted Solution

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About this solution

Zones: Voice Over IP, Network Routers
Tags: VoIP, QoS, Tomato firmware
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Solution Provided By: Lexmar
Participating Experts: 2
Solution Grade: A
 
[+][-]10/10/09 10:00 PM, ID: 25544919Author Comment

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20091021-EE-VQP-81 - Hierarchy / EE_QW_3_20080625