What to do if my ShoreTel 420 IP Phone display is blank?
- JJoshua HernandezAug 2, 2025
If your ShoreTel IP Phone display is blank, try these solutions: * Your phone might be in power-saving mode. Go off hook or press any key to bring the phone screen back to full brightness. * The phone might not be connected to a working power source. Contact your system administrator.