Key Features:

• Mfr. Part #: KX-NT680-B
• Large 4.3 inch Color LCD
• LCD Backlight: Auto
• LCD Contrast: 4 levels (Backlight Brightness)
• LCD Size (pixels, lines): 480 x 272 pixels
• Programmable Keys (Flexible Function Keys): 48 (4 pages of 12 keys)
• Desk mount tilt-2 positions
• Optional Wall mount kit (Not Included, Sold Separately Part #: KX-A435)
• Volume level (Handset/Headset/SP PHONE): 6 levels
• Handset: Wideband compliant
• Speakerphone (HD) Full Duplex
• Ringtones: 30 different
• Ringer Volume: 4 levels & Off
• Headset port: 2.5 mm audio jack
• Electronic Hook Switch Control Port: 3.5 mm Plantronics / Jabra
• Audio Codec: G.722 / G.711 / G.729A
• Soft Keys: 5 Keys
• Navigation Key
• Auto Redial
• Off-Hook Monitor
• Handset/Headset Mic Mute
• Speakerphone Mic Mute
• Phone Directory 100 Entries (personal), 1000 Entries (system)
• Call Log Entries Depends on the PBX model or settings
• Melody Ringer
• Ethernet Ports: 2 x 10/100/1000
• Power over Ethernet (PoE)
• Built-in Bluetooth
• Optional Power adapter (Not Included, Sold Separately Part #: KX-A424)
• Firmware upload
• Peer-to-Peer Connection
• VLAN
• QoS (DiffServ)
• DHCP Client
• VoIP Security
• Ping Transmission
• IP Port Flexibility
• Rerouting to Secondary PBX
• NAT Traversal
• Supported SRTP for secure communication
• System Requirements Business Communication Server: Compatible only with KX-NS700, KX-NS700G, KX-NS1000, KX-NSX2000