Advanced SIP phone

The Yealink SIP-T48U IP Phone features 16 VoIP accounts, 29 one-touch DSS keys, HD Voice, Dual USB Ports, Gigabit Ethernet and a large (4.3”) colour display with backlight. The Yealink SIP-T48U is a dynamic communication solution for executives and professionals.

Advanced SIP Phone for Professionals and Executives


Boost Productivity with New Powerful Chipsets





Sound and Hear with Remarkable Clarity


Yealink Optima HD Voice technology combines cutting-edge

hardware and software with wideband technology for maximum

acoustic performance.






Efficient Deployment and


Yealink T4U series supports effortless mass deployment

and Zero Touch Provisioning with Yealink’s Redirection

and Provisioning Service (RPS) and Boot mechanism,

making the device management labor-saving and

efficient for the administrators.





Dual USB Ports for Flexible Expansion Choices

Yealink Wireless/Wired USB Headsets

Seamlessly compatible with Yealink wireless/wired USB headsets to meet the needs of users with large call volumes or headset preferences and ideal for call centers or administrative assistants.



Bluetooth/Wi-Fi/Wireless Headset Dongles

With the optional USB dongles, the T42U can be enabled of the features including Bluetooth and Wi-Fi or connecting to a compatible wireless headset.



Yealink T48U SIP Phone | Features at a Glance


User Interface Features

  • 7″ color touch screen with backlight

Audio Features

  • Optima HD voice with Acoustic Shield and Smart Noise Filtering

Basic Features

  • Up to 16 SIP accounts
  • PoE support
  • Stand with two adjustable angles, wall-mountable

Advanced Features

  • Wi-Fi via WF40/WF50, Bluetooth via BT41
  • Support expansion modules
  • Support USB recording


  • Dual USB ports, dual-port Gigabit Ethernet
  • Headset, EHS support


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