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.
#24783 by moosbrth
Wed Oct 07, 2009 12:59 pm
I set up the hub this morning after activating it. Had it up and working in a few minutes.

Called a friend who knew I was getting it.

talked for about 25 mins, it hung up on the friend and I didn't even know he was gone, he called me on my landline and said "what happened?" I said I didn't know and that I didn't even know he was gone.

Next test, called the OOMA from a landline, didn't even ring but answered the line after 4 rings and took a test message.

Called another friend and it had a slight echo that came and went with conversation volume.

Last thing, my desktop connected to this setup went to an absolute snails pace, took out the hub and it was back to normal.

Anything here ring any bells for anybody?

Thanks,

John
#24787 by Aveamantium
Wed Oct 07, 2009 1:10 pm
Not sure about your other issues but for the speed issue it sounds like you have the Hub in front of your router. The slowdown is because you need to login to the Hub (setup.ooma.com) and enter your actual speeds in the upstream and downstream areas (this tells the hub how much bandwidth it has for allocation purposes). The default upstream is set pretty low and the downstream is set to 0 (should be disabled with this setting but I've had better luck setting the actual download speed here). Keep in mind Qos is only enabled during a call so when you're not on a call the full bandwidth is returned to the LAN. Consequently, you might set your upstream and downstream bandwidths to the low end of your normal bandwidth to be conservative.

I can’t seem to be able to find the knowledgebase article on the Qos so maybe Dennis or Bobby can re-add this?
#24794 by moosbrth
Wed Oct 07, 2009 1:23 pm
According the the Quick start book...I have a cable modem, then the OOMA hub, that a netgearWPN824 ROUTER, then the computer.

Can the OOMA hub work after the router?

Thanks, John
#24798 by murphy
Wed Oct 07, 2009 1:28 pm
moosbrth wrote:According the the Quick start book...I have a cable modem, then the OOMA hub, that a netgearWPN824 ROUTER, then the computer.

Can the OOMA hub work after the router?

Thanks, John

Yes, that is the way mine is set up.
#24799 by niknak
Wed Oct 07, 2009 1:30 pm
...Can the OOMA hub work after the router...


yes many folks here including me do it this way
it works just fine, and you may find that you do not need to make any QOS adjustments
you can run the speed tests here:
http://www.whichvoip.com/voip/speed_test/ppspeed.html

and post ALL the results from the ADVANCED tab and someone will help you analyze the results
#24800 by moosbrth
Wed Oct 07, 2009 1:33 pm
VoIP test statistics
--------------------
Jitter: you --> server: 1.3 ms
Jitter: server --> you: 3.5 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: 4.0

Speed test statistics
---------------------
Download speed: 15297424 bps
Upload speed: 6364016 bps
Download quality of service: 86 %
Upload quality of service: 98 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 14 ms
Average download pause: 1 ms
Minimum round trip time to server: 22 ms
Average round trip time to server: 35 ms
Estimated download bandwidth: 16000000bps
Route concurrency: 1.0459278
Download TCP forced idle: 8 %
Maximum route speed: 23830904bps
#24802 by moosbrth
Wed Oct 07, 2009 1:36 pm
Another one, Comcast


VoIP test statistics
--------------------
Jitter: you --> server: 1.8 ms
Jitter: server --> you: 3.5 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: 4.0

Speed test statistics
---------------------
Download speed: 15766024 bps
Upload speed: 6354560 bps
Download quality of service: 98 %
Upload quality of service: 98 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 61 ms
Average download pause: 1 ms
Minimum round trip time to server: 24 ms
Average round trip time to server: 25 ms
Estimated download bandwidth: 15766024bps
Route concurrency: 1.0
Download TCP forced idle: 0 %
Maximum route speed: 21845000bps
#24804 by niknak
Wed Oct 07, 2009 1:37 pm
based on those results (very good) you should have no problem connecting ooma behind the router
#24807 by Aveamantium
Wed Oct 07, 2009 1:40 pm
moosbrth wrote:Don't have QOS by the way.

John

Then you may have voice issues if you're saturating your LAN's bandwidth (downloads, P2P, etc.).

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