Speakerphone with 8 function buttons, 1-line backlit LCD, Power over Ethernet (PoE) Support, Black and White Available, with headset jack, interface for CTI – PC LAN Port, wall mountable, part numbers KXNT321-B, KX-NT321-W. Panasonic KX-NT321includes a second LAN port for connection to a PC, also supports Voice Encryption for extra security and features Automatic Rerouting to a secondary PBX.