The Yealink T-43U is an advanced business IP desk phone, ideal for businesses who desire advanced functionalities. The model features dual USB ports for Bluetooth dongles, Wi-Fi dongles, EHS40 headset adapters, USB headsets, or USB disks to adapt to your needs.


  • 9.4 cm display screen with 360x160 pixel LCD display. 
  • 8 line keys. 
  • 21 memory keys (3 pages of 5 keys). 
  • HD audio. 
  • 2 USB ports. 
  • 2x ethernet ports 10/100/1000 PoE support.


1. Line Keys. Select a phone line, view calls on various lines, and quickly call a favorite contact. 

2. Soft Keys. These keys allow you to choose various context-specific options as displayed on the screen directly above them. 

3. Navigator Key. Access, scroll, and select options on the phone screen using these keys.

4. Mute key. Mute your microphone audio from being heard. You can toggle this key to turn the microphone on and off.

5. Headset key. Enables you to use a headset connected to the phone rather than the handset attached to the phone base.

6. Voicemail Key. Access your voicemail messages from your device. If you have voicemail to email  (unified messaging) enabled your messages will not save on your device. 

7. Redial key. Redials the previous number dialed. 

8. Speaker key. Turn on and off the speakerphone option.

9. Volume control keys. Turn up or down the volume of the ringer and speaker.

10. Dial keys. Standard 12-key phone dial pad, allows you to make calls and enter characters as indicated by the letters in the superscript font.


For more information check out the Yealink SIP-T43U Data Sheet!


Those who need more line options for their directory can attach the Yealink EXP43 expansion module. Plug-and-play to instantly add 20 illuminated programmable line keys. Increase productivity with simplified calling, call transfers, call monitoring.

  • 4.3" 272 x 480-pixel color screen. 
  • 20 keys on each page with dual-color LEDs.
  • Three independent control keys with illuminated LED for fast switching pages. 
  • Supports up to 3 modules in a daisy-chain.
  • Stand with 2 adjustable angles. 
  • Compatible only with T43U and T46U. 

If you want to add an expansion module or wall mount contact our Technical Support Team by dialing 611 from your net2phone Canada device or by calling 1-877-498-3772 and choosing option #3. Emails will be responded to within 1 business day and can be sent to


The Yealink WMB-T46 is the compatible wall mount fixture for the Yealink SIP-T43 and T46 Yealink IP Phone.

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