KX-NT560B  KX-NT546B  KX-NT543B
Specifications KX-NT560 KX-NT546 KX-NT543
Display
LCD Display     4.4 inch Graphic  Graphic  Graphic
LCD Size (dots WxH)   242x218  242x109  242x55 
LCD Contrast  4 levels  4 levels  4 levels
LCD Backlight  On/ Auto/ Off   On/ Auto/ Off   On/ Auto/ Off 
Install Options
Desk mount tilt   Yes (2 positions)   Yes (2 positions)   Yes (2 positions) 
Wall mount   KX-A433 (Optional)   KX-A433 (Optional)   KX-A433 (Optional) 
Dimensions   High: 267x170x180mm 
 Low: 267x187x155mm
 High: 267x170x180mm 
 Low: 267x187x155mm
 205x160x170mm
Power  KX-A239 (Optional)  KX-A239 (Optional)  KX-A239 (Optional)
Audio Features
Handset /
Headset volume 
 6 levels  6 levels  6 levels
Handset  Wideband compliant, 
 Hearing Aid compatibility
 (HAC)
 Wideband compliant, 
 Hearing Aid compatibility
 (HAC)
 Wideband compliant, 
 Hearing Aid compatibility
 (HAC)
Speaker Phone  Yes (Full Duplex)  Yes  Yes
Speaker phone volume   8 levels  8 levels  8 levels
Bluetooth (for headset)  Yes  No  No
Ringtones   30
Ringer Volume  4 levels + Off  4 levels + Off  4 levels + Off
Headset port   2.5mm audio jack  2.5mm audio jack  2.5mm audio jack
Electronic Hook Switch
Control Port (EHS) 
 3.5mm Plantronics
 compatible 
 3.5mm Plantronics 
 compatible 
 3.5mm Plantronics 
 compatible 
Audio Codec  G.711, G.722, G.726,
 G.729a
 G.711, G.722, G.726,
 G.729a
 G.711, G.722, G.726,
 G.729a
Keys 
Soft Keys  4  4  4
Programmable Keys   24 (3 pages of 8 keys)  24  24
0, 9,*,# Keys   Yes  Yes  Yes
Navigator & Cancel Key   Yes  Yes  Yes
Features
Desiless  Yes  No  No
Auto Redial   Yes  Yes  Yes
Off Hook Monitor   Yes  Yes  Yes
Handset /
Headset Mic Mute 
 Yes  Yes  Yes
Speaker Phone Mic Mute  Yes  Yes  Yes
Phone Directory   Yes  Yes  Yes
Outgoing - Incoming
Call Log 
 Yes  Yes  Yes
Melody Ringer    Yes  Yes  Yes
EcoMode  Yes  Yes  Yes
Networking
Ethernet Ports  2x 10/100/1000 (Gb)   2x 10/100  2x 10/100
Power over Ethernet (PoE)  Yes  Yes  Yes
Bluetooth  Yes (Built in)   No  No
Firmware upload   Yes  Yes  Yes
Peer to Peer connection  Yes  Yes  Yes
VLAN  Yes  Yes  Yes
QoS (Diffserv)   Yes*¹  Yes*¹  Yes*¹
DHCP Client  Yes  Yes  Yes
VoIP Security  Yes  Yes  Yes
Ping Transmission  Yes  Yes  Yes
IP Port Flexibility  Yes  Yes  Yes
Rerouting to secondary
PBX 
 Yes  Yes  Yes
NAT Traversal   No  No  No
XML Applications  No  No  No
DSS Console KX-NT505
LCD No
Keys 48
Connection Serial I/F to NT550 series
Serial I/F to NT550 series Yes*²
Installation Desktop (1 position) Wall mount
Dimension (WxDxH) mm High: 137x161x135mm, Low: 137x183x114mm

  Note:
  *¹) Only support this feature for packets (PTAP/ MGCP/ RTP) From NT500. The packets of PC Port is sent
       or received without conversion.
  *²) AC Adaptor is not necessary for only one module use, but is necessary for 2nd to 4th module.