Sometimes recipient of call cannot hear me

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.
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Joined: Sat Dec 27, 2008 5:56 pm

Sometimes recipient of call cannot hear me

Post by plasmo » Tue Feb 03, 2009 9:41 pm

For the most part, all of ooma's functions have been GREAT...

...i have been noticing though that every once in a while, when I PLACE a call to someone, when they pick up, they cannot hear me.
(I can hear them fine....)

After several "Hello? Hello?...." they hang up.

This happens intermittently, and I cannot figure out why.

Any info appreciated.

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Re: Sometimes recipient of call cannot hear me

Post by shampooguy » Wed Feb 04, 2009 8:08 am

I've had the same thing over the course of 4 months...any help would be appreciated. I have used a few different phones and all of them have experienced this.

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Re: Sometimes recipient of call cannot hear me

Post by navarre » Wed Feb 11, 2009 8:17 pm

This is sometimes known as one-way voice.

I have seen several routers (home-grade) that purport to provide QoS actually cause this--especially if a downstream device tries to control its own Weighted Round Robin (WRR) queuing methodology.

A good FAQ is found on the Cisco site that can give some good background on the issues and some potential solutions. While this FAQ is directed toward the Cisco Unified Messaging (CallManager) platform, there are a lot of areas of this document that point towards potential resolutions for the one-way voice: ... 484b.shtml


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