Details Specifications Download Accessories

SIP-T40G

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.

Gigabit IP Phone with Three Lines & HD Voice

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.

Yealink T4S series IP Phones

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.

Optima HD Audio

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.

Elegant Industrial Design

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.

Remarkable User Experience

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

Additional Convenience and Flexibility

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.

Effortless Configuration and Upgrade
 Model SIP-T48S SIP-T48G SIP-T46S SIP-T46G SIP-T42S SIP-T42G SIP-T41S SIP-T41P SIP-T40G SIP-T40P
Compare
Download Datasheet Datasheet Datasheet Datasheet Datasheet Datasheet Datasheet Datasheet Datasheet Datasheet
LCD 7" color
touch screen
7" color
touch screen
4.3" color LCD 4.3" color LCD 2.7" graphical LCD 2.7" graphical LCD 2.7" graphical LCD 2.7" graphical LCD 2.3" graphical LCD 2.3" graphical LCD
Resolution 800 x 480  800 x 480  480 x 272 480 x 272 192 x 64 192 x 64 192 x 64  192 x 64  132 x 64 132 x 64
LCD Backlight
Line 16 16 16 16 12 12 6 6 3 3
PoE
GigE x x x
Wall Mounting
Foot Stand 2 adjustable angles 2 adjustable angles 2 adjustable angles 2 adjustable angles 2 adjustable angles 2 adjustable angles 2 adjustable angles 2 adjustable angles 2 adjustable angles 2 adjustable angles
USB Port (2.0 compliant) 1 1 1 1 1 x 1 x x x
Ethernet Port Dual-port Gigabit Ethernet Dual-port Gigabit Ethernet Dual-port Gigabit Ethernet Dual-port Gigabit Ethernet Dual-port Gigabit Ethernet Dual-port Gigabit Ethernet  2 x RJ45 10/100M Ethernet ports  2 x RJ45 10/100M Ethernet ports Dual-port Gigabit Ethernet  2 x RJ45 10/100M Ethernet ports
Handset Port (RJ-9)
Headset Port (RJ-9)
External Yealink AC Adapter (optional)  AC 100~240V input and DC 5V/2A output  AC 100~240V input and DC 5V/2A output  AC 100~240V input and DC 5V/2A output  AC 100~240V input and DC 5V/2A output  AC 100~240V input and DC 5V/1.2A output  AC 100~240V input and DC 5V/1.2A output  AC 100~240V input and DC 5V/1.2A output  AC 100~240V input and DC 5V/1.2A output  AC 100~240V input and DC 5V/600mA output  AC 100~240V input and DC 5V/600mA output
Line Key 0 0 10 10 6 6 6 6 3 3
Memory Key 29 touch keys 29 touch keys 27 (3 pages of 9 keys) 27 (3 pages of 9 keys) 15 (3 pages of 5 keys) 15 (3 pages of 5 keys) 15 (3 pages of 5 keys) 15 (3 pages of 5 keys) 3 3
Yealink EXP50 Expansion Module  X X X X X X X X X X
Yealink EXP40 Expansion Module  x x x x x x
Yealink EXP20 Expansion Module  X X X X X X X X X X
Yealink EHS36 Wireless Headset Adapter
Yealink YHS32 Headset
Yealink Bluetooth Adapter BT40 X X X X
Yealink Wi-Fi Adapter WF40 X X X X
USB Recording X X X X
3-way Conferencing
HD Voice HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
HD Speaker
HD Handset
Wide-band Codecs G.722,Opus G.722 G.722,Opus G.722 G.722, Opus G.722 G.722,Opus G.722 G.722,Opus G.722, Opus
Narrow-band Codecs G.711u/a, G.729A/B, G.726,
G.723.1, ilbc, Opus
G.711u/a, G.729A/B, G.726,
G.723.1, ilbc
G.711u/a, G.729A/B, G.726,
G.723.1, ilbc,Opus
G.711u/a, G.729A/B, G.726,
G.723.1, ilbc
G.711u/a, G.729A/B, G.726,
G.723.1, ilbc,Opus
G.711u/a, G.729A/B, G.726,
G.723.1, ilbc
G.711u/a, G.729A/B, G.726,
 G.723.1, ilbc, Opus
G.711u/a, G.729A/B, G.726,
 G.723.1, ilbc
G.711u/a, G.729A/B, G.726,
 ilbc
G.711u/a, G.729A/B, G.726,
 ilbc
LCD Type Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed Fixed
Operating System Linux Linux Linux Linux Linux Linux Linux Linux Linux Linux
Built-in Bluetooth X X X X X X X X X X
Built-in Wi-Fi X X X X X X X X X X
USB Headset X X X X X X X X X X
Camera X X X X X X X X X X
Video Resolution X X X X X X X X X X
Video Codecs X X X X X X X X X X
3-way Video Conferencing X X X X X X X X X X
5-way video/audio mixed conferencing X X X X X X X X X X
HDMI  X X X X X X X X X X

For more complete product documentation, click Here

EHS36 YHS33

EHS36

  • Compatible with Jabra, Plantronics, Sennheiser
  • Control phone through wireless headset
  • Plug and play
  • Easy to use

YHS33

  • Wideband audio for more natural sound and clearer conversations
  • Premium audio assures quality costomer communications
  • Ultra microphone noise cancelling
  • Ergonomic design for all day comfort
  • 330° pivoting microphone boom
  • Featherweight and soft ear cushions are easy on your ears
  • Over-the-head, all-day comfortable design for intensive use
  • Plug and play
Was this page helpful? No    Yes

Your suggestions or comments on the joint venture?

Yealink is tailored for the enterprise one-stop video conferencing solutions

As the world's leading provider of UC terminal solutions, the global TOP2 SIP telephone provider, Yilian company to provide enterprises with one-stop video conferencing solutions, flexible to meet the needs of small and medium enterprises self-built and cloud solutions to help SMEs enjoy high quality , Easy to use, easy to expand the efficient video communication collaboration.

* Filling in the application form gives you the chance to get a free trial;
* After receiving your application for trial, we will have someone to contact you, please keep the mobile phone unblocked;
* Since the number of free trial places is limited, we will follow the "first come, first served" policy and apply for a trial request. Please apply as soon as possible;
* The final interpretation of this activity is owned by Xiamen billion joint networking technology Limited by Share Ltd. If you have any questions, you can send it to sales3@yealink.com for consultation.