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.
#64432 by Mrjohnc1
Sat Sep 11, 2010 9:55 am
Where do I start? Here is my voip test:
This is a bad one, my jitter sometimes is good and my Qos is usually just average.
I have Roadrunner Turbo service as my internet provider, Should I contact RR.
Its just my jitter and Qos that vary all the time, sometime its OK?
Where do I start, and should I contact RoadRunner?

Speed test statistics
---------------------
Download speed: 2571704 bps
Upload speed: 694760 bps
Download quality of service: 22 %
Upload quality of service: 76 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 187 ms
Average download pause: 9 ms
Minimum round trip time to server: 97 ms
Average round trip time to server: 98 ms
Estimated download bandwidth: 28800000bps
Route concurrency: 11.1988
Download TCP forced idle: 81 %
Maximum route speed: 5404944bps

VoIP test statistics
--------------------
Jitter: you --> server: 447.8 ms
Jitter: server --> you: 325.5 ms
Packet loss: you --> server: 0.0 %
Packet loss: server --> you: 0.0 %
Packet discards: 50.3 %
Packets out of order: 0.0 %
Estimated MOS score: 3.6


Here is another test 5 minutes later:


Speed test statistics
---------------------
Download speed: 2070144 bps
Upload speed: 734608 bps
Download quality of service: 35 %
Upload quality of service: 99 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 188 ms
Average download pause: 11 ms
Minimum round trip time to server: 96 ms
Average round trip time to server: 98 ms
Estimated download bandwidth: 25600000bps
Route concurrency: 12.366289
Download TCP forced idle: 79 %
Maximum route speed: 5461248bps

VoIP test statistics
--------------------
Jitter: you --> server: 115.3 ms
Jitter: server --> you: 57.2 ms
Packet loss: you --> server: 0.0 %
Packet loss: server --> you: 0.0 %
Packet discards: 34.5 %
Packets out of order: 0.0 %
Estimated MOS score: 3.6
#64434 by murphy
Sat Sep 11, 2010 10:25 am
Run the test with your computer connected directly to the cable modem. Turn off the cable modem to make the connection.

Connect to http://192.168.100.1, which is a web server inside of the cable modem. Get the downstream signal level (10 to +10), the downstream SNR (around 35 or more), and the upstream power level (less than 55).

You have to isolate components to determine where the problem is.

It could be bad wiring, too many splitters, bad cable modem, bad router.
#64435 by Mrjohnc1
Sat Sep 11, 2010 11:03 am
My telo box is hooked directly to my cable modem, I did try running it directly to the PC, but no real difference. So the Telo box should be controlling the Qos?
Signal out then runs to my Linksys wrt610n router and then to a switch.
Roadrunner is coming out tomorrow. Thats all I had time to do, have to go to work today :(

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