Telephone Systems
System handsets

IP handsets

Stylish, intuitive and comfortable to use, the IP handset range combines best in class phone system design, with innovative features and applications. Including superb voice quality and echo cancellation, user-friendly touchscreen interface, presence indication and wireless headset support. In fact, everything youd expect from a range created from a world leader in Communications Solutions.

The new KX-NT500 Series IP have large alphanumeric displays, Bluetooth module built in providing wireless headset support, easy navigation key and a 2nd IP port to reduce desktop cable clutter.

To learn more about individual products in our IP handsets range, please select from the options below.


The KX-NT321 is a very cost-effective and user-friendly IP telephone that has almost the same functionalities of its bigger brothers in the KX-NT300 series. It is compatible with all KX-TDA (V.5.0), all KX-TDE and KX-NCP systems.

Feature highlights

  • 1 line display
  • 8 programmable buttons
  • Full duplex speakerphone
  • Power over Ethernet (PoE)
  • 2 Ethernet ports (100Base-T)
  • Headset jack

KX-NT343B & KX-NT346B

The KX-NT300 series IP telephones are stylish, intuitive, user friendly and comfortable to use by all system telephone users. They offer superb voice quality because of hands-free speakerphone, acoustic echo cancellation and support for wide-band G.722 audio. The sleek, ultra-modern design works well with any work environment and office decor.

Feature highlights

  • KX-NT343B: 3 line display
  • KX-NT346B: 6 line display
  • 24 programmable buttons
  • Full duplex speakerphone
  • Power over Ethernet (PoE)
  • Supports DSS modules:
    12 button (KX-NT303B) or 60 button (KX-NT305B)
  • Headset jack


With the KX-NT366 IP telephone, manual labelling belongs to the past. The KX-NT366 features 12 flexible buttons, with an LCD screen next to the buttons. Each item can be named on the LCD screen through personal or system programming to reflect the function of its corresponding flexible button. A total of 48 functions can be assigned to the 12 flexible CO buttons and pressing the "NEXT PAGE" key toggles between pages.

Feature highlights

  • 6 line display
  • Self-labelling display
  • 48 programmable buttons (4 x 12)
  • Full duplex speakerphone
  • Power over Ethernet (PoE)
  • Headset jack


Built around application-based technology, the KX-NT400 is ideal for businesses wishing to maximize productivity and improve efficiency at the desktop, while simplifying and enhancing business communications.

Feature highlights
  • High resolution touch screen LCD
  • GUI makes it extremely user-friendly with easy access to features
  • Built-in Communication Assistant software
  • Multiple screens for accessing a variety of key features
  • Easy Navigator key
  • Full duplex speakerphone
  • 48 programmable soft keys
  • USB port
  • Ethernet port
  • Headset jack
  • PoE (Power over Ethernet)

KX-NT303B & KX-NT305B

The KX-NT300 series phones can adapt quickly to your individual requirements. The add-on 12 or 60 CO key modules work not only as DSS keys, but also as flexible CO buttons. The add-on modules are connected directly to KX-NT346B or KX-NT343B.

Feature highlights

  • KX-NT303B: 12 additional programmable key module
  • KX-NT305B: 60 additional programmable key module
  • Compatible with IP models: KX-NT343B and KX-NT346B