Introduction

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.

Design

Product type

IP Phone

Product colour

Grey

Wall mountable

Yes

Phone features

Lines quantity

8 lines

Call waiting

Yes

Call hold

Yes

Call forwarding

Yes

Conference call

Yes

Caller ID

Yes

Phonebook capacity

1000 entries

Anonymous call

Yes

Full duplex

Yes

Direct call

Yes

Number of VoIP accounts

12

SIP registrar server

Yes

Display

Display

LCD

Display diagonal

7.11 cm (2.8")

Display resolution

320 x 240 pixels

Touchscreen

No

Backlight display

Yes

Audio

Speakerphone

Yes

Microphone mute

Yes

Network

Ethernet LAN

Yes

Ethernet LAN interface type

Gigabit Ethernet

Ethernet LAN data rates

1000 Mbit/s

Wi-Fi

Yes

Ports & interfaces

USB 2.0 ports quantity

2

Ethernet LAN (RJ-45) ports

2

RJ-9 ports quantity

2

Power

Power over Ethernet (PoE)

Yes

Operational conditions

Operating temperature (T-T)

-10 - 45 °C

Operating relative humidity (H-H)

5 - 90%

Storage temperature (T-T)

-30 - 70 °C

Weight & dimensions

Width

224.9 mm

Depth

206.2 mm

Height

174.9 mm

Packaging content

Ethernet cable

Yes

Handset

Yes

Quick start guide

Yes

Number of handles included

1 pc(s)

Stand included

Yes