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Yealink T23 IP Phone: Blank Phone Screen
8x8 Support

Yealink T23 IP Phone: Blank Phone Screen

Symptom

Your Yealink SIP-T23P or SIP-T23G phone LCD display is blank (shows no time, lines, or messages). There is no dial tone, and you are unable to make or receive calls.

Applies To

Yealink SIP-T23P & SIP-T23G

Resolution

Ensure a reliable power source.

  • Ensure that the phone is properly plugged into a functional AC outlet.
  • If the phone is plugged into a socket controlled by a switch, ensure that the switch is on.
  • If the phone is plugged into a power strip, try plugging it directly into a wall outlet instead.
  • If your SIP-T23P/T23G IP phone is powered from PoE, ensure you use a PoE-compliant switch or hub.

Cause

It is likely your phone is not drawing power, either from an electrical outlet or a power-over-ethernet (PoE) source.

 

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