Display: 2.7 Inch LCD Graphical Display with Backlight (192 x 64 Pixel)
Voice Technology: Optima HD Voice
Ethernet: Dual-port Gigabit Ethernet
USB Ports: Dual USB Ports
Color: Black
Advantages
Exceptional acoustic clarity with Optima HD Voice technology.
Large 2.7-inch LCD graphical display with backlight for clear visibility.
Dual-port Gigabit Ethernet for high-speed network connectivity.
Dual USB ports for flexible expansion with Bluetooth/Wi-Fi dongles.
Efficient mass deployment and management with RPS and Boot mechanism.
Available at
£ 50.00
Delivery
2-3 days
/
£ 0.00
£ 73.04
Delivery
See provider
/
£ 0.00
£ 88.45
Delivery
See provider
/
£ 3.00
£ 88.45
Delivery
See provider
/
£ 0.00
£ 88.45
Delivery
See provider
/
£ 0.00
Description
The Yealink SIP-T42U is a feature-rich IP corded phone designed for business communication. It boasts Yealink Optima HD Voice technology, combining advanced hardware and software with wideband technology for exceptional acoustic clarity. The phone features a 2.7-inch LCD graphical display with a backlight (192 x 64 pixels) and supports up to 12 SIP user accounts. Connectivity options include dual-port Gigabit Ethernet and dual USB ports, allowing for flexible expansion with optional Bluetooth/Wi-Fi dongles for wireless headsets. The T4U series supports effortless mass deployment and Zero Touch Provisioning through Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism, making device management efficient. It also supports T4U Auto-P template unified, T4U firmware unified, and Opus codec support. The color of this model is Black.
FAQ
The Yealink SIP-T42U features a 2.7-inch LCD graphical display with a backlight, and a resolution of 192 x 64 pixels.
The Yealink SIP-T42U utilizes Yealink Optima HD Voice technology for remarkable sound clarity.
Yes, the Yealink SIP-T42U features dual-port Gigabit Ethernet.
The Yealink SIP-T42U has dual USB ports that allow for expansion with optional Bluetooth/Wi-Fi dongles for wireless headsets.
The color of this Yealink SIP-T42U model is Black.
Voice over IP phone Comparison
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Result
Model
Customer reviews
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Available at
Brand
Model
Colour
Size
Advantages
1
Comparison Winner
Result
Result
Good
06 / 2026
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Customisable blocker settings giving complete flexibility Do Not Disturb mode
Block up to 100% of Nuisance calls Dedicated Call Block Button for one touch blocking
Incorporates award winning True Call blocking technology Block up to 1000 numbers or block calls by type
2
Result
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Satisfactory
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4.4 / 5 (230)
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£ 19.99
Brand
EE
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3
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Satisfactory
06 / 2026
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Brand
BT
Model
090709
Colour
Black
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HD Voice for excellent sound quality
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4
Result
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Satisfactory
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£ 83.83
£ 83.83
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Grandstream
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5
Result
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Satisfactory
06 / 2026
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Yealink W73P Cordless DECT IP Phone System Bundle Package, HD Voice, Modern Design, 1.8 Inch TFT Colour Display, HAC Compliant (Includes 1 x W73H Handset & 1 x W70B Base Station) – Space Grey
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£ 39.00
£ 45.20
£ 48.73
£ 48.73
£ 48.73
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7
Result
Result
Satisfactory
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Yealink SIP-T46U Productivity Enhancing IP Power over Ethernet Corded Phone with Optima HD Voice Technology and 4.3 Inch TFT LCD Colour Display with Backlight (480 x 272 Pixel) – Black
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4.0 / 5 (172)
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£ 144.11
£ 157.25
£ 144.99
£ 144.99
£ 144.99
Brand
Yealink
Model
Colour
Size
Advantages
8
Result
Result
Satisfactory
06 / 2026
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Yealink SIP-T57W Premium Level IP Power over Ethernet Corded Business Phone with Optima HD Voice Technology and 7 Inch Adjustable Touch Screen LCD Display (800 x 480 Pixel) - Black
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4.0 / 5 (130)
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£ 174.00
£ 296.60
£ 296.60
£ 302.53
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Yealink
Model
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9
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06 / 2026
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Yealink W56H Wireless IP DECT Handset
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4.0 / 5 (470)
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Model
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10
Result
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Satisfactory
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Model
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4.7 / 5 (28)
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Model
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