Polycom CX600 IP Desktop Phone for Microsoft Lync and Office Communicator. The CX600 has native Lync Phone Edition software delivers a rich user interface for placing, receiving, and managing calls. The large 3.5-inch high resolution color display and easy navigation buttons enable familiar dialing controls, calendar and contact directory access, and presence indication. The CX600 also features a USB port to enable optional "Better Together" capabilities when used in conjunction with a PC.

Key Features:

• IP Phone optimized for use with Microsoft Office Communications Server “14”
• Large 3.5” Color Display Phone with 320 x 240 pixels
• Adjustable Backlit LED with auto-dim/ sleep
• Full Duplex Speakerphone
• Polycom HD Voice Technology in handset, headset and speakerphone
• Microsoft RTAudio wideband audio and Polycom Acoustic Clarity Technology
• Acoustic Echo Cancellation
• Access to Directory Information
• Access to Contact Information
• On Screen Presence Status Indicators
• POE Support
• Wall Mountable Phone
• Optional 24 Volt AC Power Adapter
• Includes 7 ft Ethernet Cable
• Two Port Gigabit Ethernet Switch
• USB Port Type A and Type B
• Perfect solution for small to large offices
• RJ-9 Headset Jack - go to Polycom Headset page for information
• Message Waiting Light
• User Interface for placing, receiving, and managing calls
• Click to Dial
• Call Log History
• Cell Phone Distortion Immunity
• Hearing Aid Compatible
• TTY Adapter Compatible
• Compatible with G.722 and G.711 CODEC
• Fixed buttons for volume control, 2 way navigation, Mute, Speakerphone, Headset
• 2 Softkeys for Feature Control
• 3 Position Tilt Stand

  For more details see Polycom CX600 Desktop Phone datasheet