ADTRAN IP 706 / 712 Phone Blank LCD Screen

The LCD screen on two Adtran IP 712 phones recently went blank.   Other than having a blank LCD screen, the phones seem to be working fine; i.e., phone calls keep coming in and are able to be picked up.  The functionality of buttons was not tested. The Adtran IP 712 phones are accessible through … Continue reading ADTRAN IP 706 / 712 Phone Blank LCD Screen

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