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.
#11107 by just4fn
Mon Jun 08, 2009 8:17 pm
VoIP test statistics
--------------------
Jitter: you --> server: 4.7 ms
Jitter: server --> you: 347.9 ms
Packet loss: you --> server: 0.0 %
Packet loss: server --> you: 13.0 %
Packet discards: 0.0 %
Packets out of order: 0.0 %
Estimated MOS score: 3.0

Speed test statistics
---------------------
Download speed: 1978992 bps
Upload speed: 4297168 bps
Download quality of service: 64 %
Upload quality of service: 55 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 90 ms
Average download pause: 18 ms
Minimum round trip time to server: 42 ms
Average round trip time to server: 44 ms
Estimated download bandwidth: 5760000bps
Route concurrency: 2.9105728
Download TCP forced idle: 0 %
Maximum route speed: 12482856bps

My quality of service at my parents house is not very good. As you can see the download and upload are poor. What adjustments can be made?
Would a different router make a difference? Comcast just installed the internet with a new router. Could it be their cable? I just dont know how to correct qos to make it better. Thanks for the help
#11108 by WayneDsr
Mon Jun 08, 2009 8:35 pm
What I can see right away is the packet loss of 13% and the jitter is high. I don't think you have control of that from your router. You might want to call your cable service and let them know your connection has very poor quality and let them try a few things to improve it.

My DSL speeds are much lower than yours and my packet loss is 0% and jitter at 1.5%. (jitter is a bit higher than normal for my connection.)

Wayne
#11109 by just4fn
Mon Jun 08, 2009 8:46 pm
Wayne, Thanks for the quick reply. I just didn't know if it was something I could do on my end like different router or something else. Do you know off hand if the cable company is resposible for poor connection as long as the speeds are good? I can see me calling them and them saying sorry, but we dont guarantee anything but up and download speeds. Thanks again.
#11114 by scottlindner
Tue Jun 09, 2009 3:26 am
I found one router firmware package I tried created similar results as you just posted. Not quite as bad, but close. How hard would it be for you to connect a computer directly to the cable modem to run the test again?

Can you access the cable modem's configuration page to look at its error page. I had a time once long ago with cable where something was wrong on the cable company's end of things but until I checked the page to see the problems no one ever reported it.

Scott
#11169 by lohertz
Tue Jun 09, 2009 10:31 am
What router do you have and what cable modem do you have? Are they separate or combined?

There are some online tools that can help change your settings in your router and modem to optimize your Internet connection.

http://www.dslreports.com/tweak
#11303 by just4fn
Thu Jun 11, 2009 10:40 am
VoIP test statistics
--------------------
Jitter: you --> server: 1.4 ms
Jitter: server --> you: 4.1 ms
Packet loss: you --> server: 0.0 %
Packet loss: server --> you: 0.0 %
Packet discards: 0.0 %
Packets out of order: 0.0 %
Estimated MOS score: 4.0

Speed test statistics
---------------------
Download speed: 11169888 bps
Upload speed: 5924832 bps
Download quality of service: 87 %
Upload quality of service: 98 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 74 ms
Average download pause: 1 ms
Minimum round trip time to server: 39 ms
Average round trip time to server: 40 ms
Estimated download bandwidth: 24000000bps
Route concurrency: 2.148634
Download TCP forced idle: 47 %
Maximum route speed: 13443072bps

This is the results without the router plugged in and the computer plugged directly into the cable modem. Would you now suggest to try a new router?
Last edited by just4fn on Thu Jun 11, 2009 7:17 pm, edited 1 time in total.
#11316 by scottlindner
Thu Jun 11, 2009 4:55 pm
just4fn wrote:This is the resuls without the router plugged in and directly into the cable modem. Would you now suggest to try a new router?


Holy smokes.. YES! Something is very wrong with your current router.

What router do you have? It is possible there is an open source firmware package that can solve your issues.

Cheers,
Scott
#11317 by just4fn
Thu Jun 11, 2009 5:15 pm
I checked the open source and it isn't available for qos. I think i will go try another router.
#11318 by scottlindner
Thu Jun 11, 2009 5:19 pm
just4fn wrote:I checked the open source and it isn't available for qos. I think i will go try another router.


What router do you have? There are many alternatives and they all do not support the same set of hardware.

Scott
#11324 by just4fn
Thu Jun 11, 2009 6:59 pm
Its a netgear router. The problem is, is that its about 6 miles away at my parents house and I dont remember the model number. I do have a linksys router model wrt54g. I might try that one.

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