This forum includes tips for maintaining the best audio quality possible with the Ooma System. If your Ooma system is having issues with dropped calls, static audio or echo, look here for assistance.
#80037 by Ely
Fri Apr 22, 2011 10:07 am
I have my Telo behind the router, even though I have not experienced any dropped or low call quality calls, by default I noticed QoS was set to 384, my upload speeds are around 3830 average, I think that's good enough for Ooma to work right however the other day, while in a call someone else was calling, I did not pick up the call so they left a message, while the message was being left, I did notice degradation on the quality of my call, once they finished leaving the message it went back to normal.

should I set that to zero, is that OK or would setting it up to something around 3064 be better ? I have also setup QoS rules to prioritize the Telo's MAC address and another rule for the LAN port where the Telo is connected to on my router, is it ok to have two rules, or is one rule either for the MAC or the LAN enough? I have both rules with the "Highest Priority" setting.

Thanks.
#80039 by lbmofo
Fri Apr 22, 2011 10:15 am
If your Ooma is behind the router, set all QoS to 0.
#80041 by Ely
Fri Apr 22, 2011 10:21 am
Thanks lbmofo, that's how I have it setup, so I think I'm good to go then, perhaps that was a momentary slow down with Comcast or something, call quality has been really good, except for that minor issue the other day.

Do you believe it is ok to have two QoS rules in my router though, or one would be enough?
#80042 by lbmofo
Fri Apr 22, 2011 10:27 am
One should be better I think. Either use the MAC, port#, or IP.
#80047 by Ely
Fri Apr 22, 2011 11:22 am
Ok I have prioritized the Telo's MAC address, thanks buddy.
#80107 by dml247
Sat Apr 23, 2011 11:49 am
I'm a little confused on QoS Settings.

Background info: Firmware 45073 with Telo placed after Cable modem before router.

According to this http://www.ooma.com/support/knowledgebase/configuring-quality-service:

On the setup page, select "Advanced" on the navigation menu and look for the "Quality of Service" section on the page. In the "Upstream Internet Speed" textbox, type in the numeric upstream speed result from the Internet speed test.


Then according to this http://www.ooma.com/support/knowledgebase/learning-more-about-ooma-quality-service-qos:

For the most optimum results, it is best to configure your "Upstream Internet Speed" to be 15-20% less than your measured upstream bandwidth.


So which is it? Do you use the same value from http://www.speedtest.net, or do you change it to be 15-20% of that value?
#80108 by murphy
Sat Apr 23, 2011 12:48 pm
Start at 20% less than measured and adjust up or down in small increments if the 20% value doesn't work for you.

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