66.82.0.20

  1. Yealink T48S firmware update to 66.82.0.20 stucks

    Since I started with 3CX-PBX (actually version ) I'm trying to bring up my Yealink T48S to the actual firmware (66.82.0.20). As soon as I start the pgrade, everything stucks, the phone restarts an stays on the welcome screen (Initializing - waiting...) for hours. It's not possible to start the...
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