Lot of 13 Polycom VVX 311 Corded Business Media Phone System - 6 Line PoE

• Powerful entry-level 6-line Sip business media phone with 2 Gigabit ports - doubled memory and sixty percent CPU clock speed increase from vvx 310
• Ideal for common areas, dorm rooms, wall-mounted deployments, cubicle, or office desk - Polycom zero touch provisioning and web-based configuration tool
• 208 x 104 pixel backlit Graphical LCD display - Polycom HD voice up to 7 KHz on all Audio paths (speaker, handset, headset)
• Polycom Acoustic clarity provides full-duplex conversations and acoustic echo cancellation, and background noise suppression - headset: dedicated headset port with electronic Hook switch capability