KX-NT680 IP Proprietary Telephone

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Using a clear color LCD, integrating High Definition Audio and an enhanced user interface, we provide for the needs of current users.


  • HD Voice
  • 4.3 inch Color TFT LCD
  • 12 keys x 4 pages Self-Labeling Flexible Function Keys
  • Full Duplex Speakerphone
  • 2 Gigabit Ethernet Ports / PoE
  • EHS Support
  • Built-in Bluetooth
  • SRTP Supported
  • Displaying custom image

LCD Display:    4.3 Inch Color
LCD Backlight:    Auto
Auto Redial:    Yes
Off-Hook Monitor :    Yes
Handset/Headset Mic Mute:     Yes
Melody Ringer:     Yes
Ethernet Ports:     2 x 10/100/1000
VoIP Security:     Yes
LCD Contrast:    4 levels (Backlight Brightness)
Desk mount tilte:     Yes (2 positions)
Power over Ethernet (PoE):    Yes
Handset:    Wideband compliant
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
Firmware upload:    Yes
VLAN:    Yes
QoS (DiffServ):     Yes
DHCP Client:     Yes
Ping Transmission:     Yes
Rerouting to Secondary PBX:     Yes
XML Application:     No
ECO mode:     No
LCD Size (pixels, lines):    480 x 272 pixels
Programmable Keys (FF Keys):     48 (4 pages of 12 keys)
Navigation Key:     Yes
Speakerphone (HD):     Yes (Full Duplex)
Volume level (Handset/Headset/SP PHONE):     6 levels
Bluetooth (Built-in):     Yes
Peer-to-Peer Connection:     Yes
NAT Traversal:     Yes
IP Port Number Flexibility:     Yes

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