The Panasonic KX-NT321 is the KX-NT300 series IP telephone that takes you to a new dimension in audio experience, communications productivity and customer care. The NT321 includes a second LAN port for connection to a PC, so you can harness the power of an additional connection without extra clutter on your desk. It also supports Voice Encryption for extra security and features Automatic Rerouting to a secondary PBX, if any disturbance occurs. features: Telephone Features: Compatible with the KX-TDE and KX-NCP IP PBX Panasonic Communications Systems so its ideal for companies with geographically diverse office locations and helps connect employees and customers A second LAN port for connection to a PC is available Supports Voice Encryption for extra security Features Automatic Rerouting to a secondary PBX should a disturbance occur Display: 16x1 Characters Power: AC Adapter and Power over Ethernet (Power over LANTM (IEEE802.3af) Compliant) Speakerphone Backlit LCD Redial Headset Jack Auto Dial/Store Multi-Angle Tilt Body is available with 2 steps Wall Mountable Capability Intercom Transfer and Hold Keys Flash/Recall and Auto Answer/Mute Keys Dimensions: 4.72" H x 11.02" W x 7.48" Available in Black or White