Disabling "Echo Cancellation" on T series phone with Teams?

[mpolselli]

Any luck on finding a fix for this? We're experiencing the same problem.
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No. Yealink support said they cannot recreate the problem in their labs but we can make it happen any time on any call from any phone using speaker phone.

We have just reverted all phones to Skype for Business to resolve the problem.

If you want to open a ticket with them you can reference my ticket which is Ticket ID: 82130 as they may take this more seriously if they know it has been reported at another location.

Let me know what they say.
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My ticket with them is still open and has been escalated about as high as it can go. We're doing testing and trying to narrow everything down. I was able to send them some recordings of the god awful feedback sound so hopefully that will help narrow things down.

If your ticket is still open are if you are still having issues with these phone my ticket number is 84346 if you want to try and reference it and get more people looking into it.