Poly Edge B30 provides pro-grade audio quality for an entry-level price reliable VoIP phone. Designed to be simple to use, Edge B30 has a clear monochrome display, illuminated keys and more. It features Poly's legendary sound with HD Voice plus Acoustic Fence background noise reduction. The phone has a lightbar status indicator that shows your coworkers when you're busy. FEATURES SIP Communications Protocol (SIP) 4 Lines 2.8 in Monochrome Display Full Duplex Speakerphone 2x 10/100/1000 Ethernet Ports PoE Support Headset options with both RJ9 and 3.5 mm headset ports Electronic Hook Switch (EHS) supported with optional APD-80 adapter INCLUDED Console Handset with handset cord Network (LAN) cable Desk Stand/Wall Mount Hardware Setup sheet with QR code to documentation and video Safety information sheet