Brand New phones. Come without PSU. PSUs can be purchased separately or the phones can be powered up from PoE switch. I also have 4 used phones on my other auction. Yealink T48U SIP Phone | Features at a GlanceUser Interface Features • 7" color touch screen with backlight Audio Features • Optima HD voice with Acoustic Shield and Smart Noise Filtering Basic Features • Up to 16 SIP accounts • PoE support • Stand with two adjustable angles, wall mountable Advanced Features • Wi-Fi via WF40/WF50, Bluetooth via BT41
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