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Yealink SIP-T40G IP phone Black 3 lines LCD

Yealink SIP-T40G, IP Phone, Black, Wired handset, Desk/Wall, 3 lines, 1000 entries

Best offerPrice trend

£47.42

Stable
Price trend
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Price history of Yealink SIP-T40G IP phone Black 3 lines LCD over the last 3 months
DatePrice
30 September 2026£47.42
1 October 2026£47.42

Compare Yealink SIP-T40G IP phone Black 3 lines LCD prices UK

*Date of last price update

User Notice: We regularly reference new offers to provide you with the widest selection. However, the displayed results do not reflect all available offers on the market. By default, offers are sorted by price, with the lowest price appearing first.

Product Information

Gigabit IP Phone with Three Lines & HD Voice
Yealink SIP-T40G is a feature-rich SIP phone that enhances daily interoperability and unifys communications for busy managers. Designed with a revolutionary new appearance, it supports flexible and secure provisioning (the phone utilizes industry-standard encryption protocols for users to provision and perform software upgrades both in-house and remotely), this advanced IP phone is intuitively designed with ease-of-use in mind. The T40G is also built with the Gigabit Ethernet for rapidly facilitating call handling, and its programmable keys help boast extensive productivity-enhancing features, like BLF, SCA, call transfer, etc. Meanwhile, equipped with the feature of Power over Ethernet (PoE), superb high definition (HD) sound quality and a rich visual experience, the SIP-T40G IP Phone maximizes your personal productivity in a superior way.

Yealink T4S series IP Phones
Yealink’s T4S series is the upgraded IP phone line of Yealink’s former T4 series. Designed for today’s busy executives and managers, the T4S series features an elegant appearance, Optima high-definition audio quality and a remarkable phone experience. Integrating cutting-edge features like Wi-Fi and Bluetooth connectivity, the T4S series enriches business users’ daily collaboration. It also protects business users’ investment with its effortless deployment and broad interoperability with UC platforms and IP PBX systems.

Optima HD Audio
With Yealink’s Optima HD audio technologies, industry-leading acoustic clarity and newly-added support for Opus* to its broad audio codec list, the Yealink T4S guarantees a lifelike collaboration experience.
* By supporting Opus, Yealink T4S series delivers better audio quality in both high-bandwidth and poor network conditions, comparing to other wideband or narrowband codecs.

Elegant Industrial Design
The cutting-edge design of the Yealink T4S series includes telephony superiority as well as an elegant appearance. The use of premium materials testifies to its manufacturing excellence.

Remarkable User Experience
The Yealink T4S series delivers excellent stability and performance with its latest advanced components. The phones feature an optimized interface for a smartphone-like user experience. Its rich one-touch soft keys allow for customization, bringing additional convenience and increasing productivity.

Additional Convenience and Flexibility
In addition to the T46S and the T48S, the new T41S and T42S are equipped with a built-in USB port, meaning the entire T4S series supports extended functions such as USB call recording, Bluetooth and Wi-Fi connectivity for more flexibility and functionalities

Effortless Configuration and Upgrade
The Yealink T4S supports efficient provision and effortless mass deployment with Yealink’s free Redirection and Provisioning Service(RPS). Furthermore, the T4S features a unified firmware and an auto-p template that apply to all phone models (T41S, T42S, T46S and T48S), saving even more time and IT costs for businesses.

IP Phones Yealink

Product

Name
Yealink SIP-T40G IP phone Black 3 lines LCD
Category
IP Phones
Brand
Yealink

Display

Touchscreen
No
Display
LCD
Display diagonal
5.84 cm (2.3")
Display resolution
132 x 64 pixels
Backlight display
Yes

Phone features

Lines quantity
3 lines
Caller ID
Yes
Phonebook capacity
1000 entries
Number of VoIP accounts
3
Speed dialling
Yes
Intercom
Yes
Call hold
Yes
Call forwarding
Yes
Conference call
Yes
Redialing
Yes
Call park
Yes
Call pick up
Yes
Anonymous call
Yes
Anonymous call rejection
Yes
Full duplex
Yes
Short Message Service (SMS)
Yes
Call return
Yes
Call transfer
Yes
Message-waiting indicator (MWI)
Yes

Certificates

Certification
CE, FCC, ISO 9001

Operational conditions

Operating temperature (T-T)
-10 - 50 °C
Operating relative humidity (H-H)
10 - 90%

Weight & dimensions

Width
212 mm
Depth
175 mm
Height
54 mm

Power

Power over Ethernet (PoE)
Yes
AC adapter input voltage
100 - 240 V
AC adapter output voltage
5 V
AC adapter output current
0.6 A
Power consumption (typical)
1.6 W

Ports & interfaces

Ethernet LAN (RJ-45) ports
2
RJ-9 ports quantity
2
RJ-11 ports quantity
1
DC-in jack
Yes

Network

Ethernet LAN
Yes
Wi-Fi
No
Bluetooth
No
Ethernet LAN interface type
Gigabit Ethernet
Supported network protocols
FTP, TFTP, HTTP, HTTPS
Quality of Service (QoS) support
Yes
Security algorithms
AES, HTTPS, SSL/TLS
Networking standards
IEEE 802.3af

Audio

Speakerphone
Yes
Microphone mute
Yes
Voice codecs
G.711, G.711a, G.711u, G.722, G.726, G.729ab

Camera

Front camera
No

Packaging content

Number of handles included
1 pc(s)

Design

Product type
IP Phone
Product colour
Black
Handset type
Wired handset
Wall mountable
Yes
Mounting
Desk/Wall

Management features

Integrated voicemail
Yes
Volume control
Digital

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