Well-rounded SIP phone

The Yealink SIP-T42U IP Phone features 12 VoIP accounts, 6 line keys with LED’s, HD Voice, Dual USB Ports, Gigabit Ethernet and a small but useful (2.7”) graphical display. The Yealink SIP-T42U is a feature-rich business tool for excellent communications and extended functionality.


Well-rounded SIP Phone for Office Workers




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 fomaximum acoustic performance. 





Efficient Deployment and Management

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 preference and ideal for call center 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 T42U SIP Phone | Features at a Glance

User Interface Features

• Headset, EHS support• 2.7″ graphical LCD with backlight
Audio Features
• Optima HD voice with Acoustic Shield
Basic Features
• Up to 12 SIP accounts
• PoE support
• Stand with two adjustable angles, wall mountable
Advanced Features
• Wi-Fi via WF40/WF50, Bluetooth via BT41
• Support USB recording
• USB Headset, EHS support


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