This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Polycom VVX 601 Desktop Video Conference Phone Voice Over Internet Protocol (VoIP) Session Initiation Protocol (SIP) HTML5 Browser 16-Line Operation Bluetooth Headset Capability USB Port Remote Missed Call Notification Optional AC Adapter (Not Included) Dual-Port 10/100/1000 Mbps Ethernet Switch