Line Keys - 12 lines. Speaker Phone - Polycom HD Voice technology. Ethernet Connectivity - 10/100Base-TX. Display Type - Backlit 3.5 in color LCD (320 x 240) resolution. Headset Support - Dedicated RJ-9 headset port. PoE - Built-in auto-sensing IEEE802.3af Power over Ethernet (Class 3). Warranty - 1 Year.
This model includes a power supply.