Boost Productivity with New-Gen Design

The new Yealink T4U series offers a modern and elegant appearance, along with improvements for greater interoperability and better collaboration.

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 Management

The Yealink T4U series supports effortless mass deployment and Zero Touch provisioning with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism, making device management labor-saving and efficient for administrators.

Specification

Product
Product id	968496
Brand	Yealink Network Technology
Partnr	SIP-T44U
EAN/UPC code	6938818317864
Technical details
Ethernet cable	Y
Speakerphone	Y
Display
Display	LCD
Display resolution	320 x 240 Pixels
Display diagonal	2.8 inch
Backlight display	Y
Touchscreen	N
Phone features
Lines quantity	8 regels
Caller ID	Y
Conference call	Y
Call forwarding	Y
Call hold	Y
Number of VoIP accounts	12
Call waiting	Y
Phonebook capacity	1000 entries
SIP registrar server	Y
Anonymous call	Y
Direct call	Y
Full duplex	Y
Network
Ethernet LAN data rates	1000 Mbit/s
Ethernet LAN	Y
Ethernet LAN interface type	Gigabit Ethernet
Wi-Fi	Y
Ports & interfaces
Ethernet LAN (RJ-45) ports	2
USB 2.0 ports quantity	2
RJ-9 ports quantity	2
Power
Power over Ethernet (PoE)	Y
Design
Product type	IP phone
Wall mountable	Y
Weight & dimensions
Width	224.9 mm
Depth	206.2 mm
Height	174.9 mm
Colour
Product colour	Grey
Microphone
Microphone mute	Y
Operational conditions
Operating temperature (T-T)	-10 - 45 °C
Operating relative humidity (H-H)	5 - 90 procent
Storage temperature (T-T)	-30 - 70 °C
Packaging content
Number of handles included	1 stuk(s)
Quick start guide	Y
Handset	Y
Stand included	Y