Hear every nuance on the VVX 350 with Poly HD Voice technology. And reduce distracting background noise with Poly Acoustic Fence technology. IT will appreciate zero-touch provisioning and web-based management capabilities that take the headache out of telephony deployment and support. Your phones stay cleaner for longer with integrated Microban® antimicrobial product protection [1] actively reducing the growth of bacteria 24/7. Sound your best Welcome to the big leagues with this high-quality, color, six-line business IP phone that gets the job done. For high-volume call environments that demand reliability, the Poly VVX 350 desk phone wont let you down. Design Product colour Black Handset type Wired handset Product type IP Phone Phone features SIP registrar server Yes Full duplex Yes Number of VoIP accounts 16 Call park Yes Caller ID Yes Call hold Yes Call forwarding Yes Call pick up Yes Lines quantity 24 lines Display Backlight display Yes Touchscreen No Display resolution 320 x 240