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#63524 by 1973911T
Sun Aug 29, 2010 7:19 pm
I have been testing Ooma for about 6 months and I have had mixed results. I currently have it hooked up to a UNIDEN cordless 5.8 GHz phone and I have been disappointed because of the unacceptable amount of dropped calls.

I would like to use Ooma as a replacement to my landline but I am concerned about the system's reliability. In order to facilitate its use and improve the location of the telo, I would need to incorporate a home plug. I purchased a NETGEAR 85Mps Powerline Network Adapter kit. I was able to hook it up and get the Ooma dialtone. I placed several test calls and all was good, except the calls would inexplicably drop.

I did a online test without the homeplug (results below) and scored a low 52% in Quality of Service. The test determined that the connection was unable to deliver a steady stream of service. What do I need to do to run Ooma effectively? I currently use Comcast broadband cable for my internet service. Thanks.


VoIP test statistics
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Jitter: you --> server: 0.6 ms
Jitter: server --> you: 2.5 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: 4.1

Speed test statistics
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Download speed: 3957344 bps
Upload speed: 3930400 bps
Download quality of service: 52 %
Upload quality of service: 59 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 466 ms
Average download pause: 4 ms
Minimum round trip time to server: 85 ms
Average round trip time to server: 89 ms
Estimated download bandwidth: 13600000bps
Route concurrency: 3.4366484
Download TCP forced idle: 57 %
Maximum route speed: 6168000bps
#63535 by murphy
Mon Aug 30, 2010 2:53 am
If you are on Comcast you have a big problem. Those are not normal numbers.
The Maximum TCP delay should be under 100 ms.
The down and up QOS is way too low.
The download speed should be about 6 times the upload speed
Their standard service is 12 down and 2 up.
You are getting the same download speed as your upload speed.
I am on Comcast and get 20 mbps down and 4 mbps up due to their burst feature.

Turn off your cable modem.
Connect a computer directly to the LAN port of the cable modem. (Do NOT use the USB port if it has one).
Turn on the cable modem.
Rerun the test.
My brother recently found that his router had degraded and was giving him terrible results.
His neighbor's house was hit by lightning 6 month's earlier which is probably what got his router.

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