Yealink CP930 Randomly mutes

[navarac]

Hello all, I have a client with a few CP930W phones and they will randomly mute the call after about 20-30 minutes. They say that the mute button turns red and they have to manually depress the button to un-mute it. 3CX and the phones are up-to-date. I saw this issue posted over on the Yealink forums but there was no solution posted so I thought I would try here. Thanks.

 

[cobaltit]

Sounds like a hardware or maybe firmware issue. I'd open a ticket with Yealink