Polycom SoundPoint IP 500 w/AC Adapter (2200-11500-001) The SoundPoint IP 500 is a three-line Voice over IP telephone that seamlessly integrates with IP PBX and Softswitch vendors' IP solutions. As protocols develop and standards evolve, it's easy to update the phones in the field via a software download, enabling new features and functionality. NOTE: Due to availability, we will substitute the succesor to the SoundPoint IP 500, the SoundPoint IP 501 , at the same price. -->Like New: This product is eligible for 2 Year Platinum Protection! SoundPoint IP 500 Features Acoustic Clarity Technology - Polycom's legendary speakerphone technology that allows simultaneous natural conversation (full duplex) Multi-line support - Configure up to three lines with individual status display Flexibility - Choose between handset, headset, or natural two-way (full-duplex) speakerphone mode and choose your protocol and Technology Partner solutions Easy-to-use - 12 dedicated feature keys and four context-sensitive soft keys, 160x80 pixel LCD, message alert indicator Network interface - Dual 10/100 Mbps switched Ethernet ports; Manual or DHCP setup Codec support - G.711, G.729a Protocol support - IETF SIP, XML based provisioning Includes AC Adapter and Network/Data Power Cable. No PoE Cable included.