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CMS with CMA and WebRTC - ATT preventing video from working

Hello,

 

We are in the midst of our migration from a Codian MCU to CMS 2.4.x.  As we began testing, we noticed that CMA and WebRTC doesn't work on the ATT cellular network.  

 

We would join a meeting without success.  The "no one is sending video" message would come up and then disconnect the meeting session.  When I try it from a Verizon device, it works great without a problem.

 

Is anyone else experiencing this?  How did Cisco allow this to happen with such a large carrier?  

 

When is this going to get fixed?

 

Thanks

 

Ron

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