When you want the best small business 12-line phone system for your money, the VVX 450 is full of good surprises. Handle high volume calls easily with the sleek, color display - and be confident conversations will always sound great. Crystal clear conversations Deploy easily and quickly Integrated protection Lines: Stay productive with 12 programmable line keys supporting up to 34-line key assignments with pagination for autodials and contacts. LCD color display: A large 4.3" backlight color display shows all your lines and necessary information so you can be more productive. Keys: 4-way navigation cluster with a center select key and a 12-key dial pad with controls for mute, speaker, and headset volume. Add a Poly headset: Multiple Poly headset options are available to suit your style - in addition to the traditional handset. Ethernet ports: 2 high speed 10/100/1000 Ethernet ports with an integrated switch allow LAN connection for your phone with a passthrough connection to your PC. PoE reduces cable clutter on your desktop, eliminating the need for a separate power adapter.