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.
#51711 by amd555
Tue Mar 30, 2010 4:26 pm
I'm having a problem. The outgoing voice quality can be quite bad. Is there anything I can do. I've tried tooling with QOS and other things. I have Clear 6mbps service...Here is the info from jitter test:

VoIP test statistics
--------------------
Jitter: you --> server: 15.5 ms
Jitter: server --> you: 8.7 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: 3.8

Speed test statistics
---------------------
Download speed: 2543616 bps
Upload speed: 876624 bps
Download quality of service: 95 %
Upload quality of service: 74 %
Download test type: socket
Upload test type: socket
Maximum TCP delay: 179 ms
Average download pause: 11 ms
Minimum round trip time to server: 149 ms
Average round trip time to server: 155 ms
Estimated download bandwidth: 27200000bps
Route concurrency: 10.693438
Download TCP forced idle: 87 %
Maximum route speed: 3518656bps
#51874 by mthomtech
Wed Mar 31, 2010 2:27 pm
It looks like the culprit is your upload jitter.

Clear (or other wifi services) are not recommended ISP's for Ooma because of that issue. It may work for some, but the quality is too inconsistent with those ISP's

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