Welcome to the big leagues with this high quality, color, six-line phone system that gets the job done-and then some. For high-volume Google Voice and other selected cloud VoIP platforms, the VVX 350 won't let you down. Plus, easily get to all the phone features you use most. And let's hear it for Poly Acoustic Fence. It eliminates background noise to keep calls quiet wherever it's noisy-home offices, open offices and call centers. IT will appreciate robust provisioning and management capabilities that take the headache out of telephony deployment and support. Six line keys with a 3.5 inch color LCD display (320x 240 pixels). Crystal clear sound with Poly HD Voice and Poly Acoustic Clarity. Full duplex speakerphone with world-class echo cancellation. Easy to install anywhere with optional Poly Wi-Fi USB accessory. Headset options to suit any style (USB, RJ9, EHS ports