
SIP-T41S
The SIP-T41S is a feature-rich business tool for superior communications and extended functionality. It offers a faster,more-responsive interface than the T41P and several performance-enhancing functions. It’s a six-line IP phone that comes with built-in programmable keys to enhance productivity. The SIP-T41S with Yealink Optima HD Voice technology and wideband codec of Opus delivers superb audio quality and crystal clear voice communications. With an all-new USB port, the SIP-T41S boasts unparalleled functionality and expansibility with Bluetooth, Wi-Fi and USB recording features. The Yealink’s new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration.
SIP-T41S
The SIP-T41S is a feature-rich business tool for superior communications and extended functionality. It offers a faster,more-responsive interface than the T41P and several performance-enhancing functions. It’s a six-line IP phone that comes with built-in programmable keys to enhance productivity. The SIP-T41S with Yealink Optima HD Voice technology and wideband codec of Opus delivers superb audio quality and crystal clear voice communications. With an all-new USB port, the SIP-T41S boasts unparalleled functionality and expansibility with Bluetooth, Wi-Fi and USB recording features. The Yealink’s new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration.

Enrich Collaboration, Improve Productivity
Yealink T4S series IP Phones
Enrich Collaboration, Improve Productivity
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
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.


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
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.


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
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


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
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.

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.

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Model | SIP-T48S | SIP-T48G | SIP-T46S | SIP-T46G | SIP-T42S | SIP-T42G | SIP-T41S | SIP-T41P | SIP-T40G | SIP-T40P |
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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 (Accessory, purchased separately) |
X | X | X | X | X | X | X | X | X | X |
Yealink EXP40 Expansion Module (Accessory, purchased separately) |
√ | √ | √ | √ | x | x | x | x | x | x |
Yealink EXP20 Expansion Module (Accessory, purchased separately) |
X | X | X | X | X | X | X | X | X | X |
Yealink EHS36 Wireless Headset Adapter (Accessory, purchased separately) |
√ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
Yealink YHS32 Headset (Accessory, purchased separately) |
√ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
Yealink Bluetooth Adapter BT40 (Accessory, purchased separately) |
√ | √ | √ | √ | √ | X | √ | X | X | X |
Yealink Wi-Fi Adapter WF40 (Accessory, purchased separately) |
√ | √ | √ | √ | √ | 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.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC, Opus |
G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC |
G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC, Opus |
G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC |
G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC, Opus |
G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC |
G.711(A/µ),G.729, G729A, G.726, G.723.1, iLBC, Opus |
G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC |
G.711(A/µ), G.729, G729A, G.726, iLBC | G.711(A/µ), G.729, G729A 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 (Accessory, purchased separately) |
√ | 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 |
Flyer | Yealink T4S Series - English | Yealink T4S Series - Deutsch | Yealink T4S Series - French | Yealink T4S Series - Italian |
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Datasheet | Yealink SIP-T41S |
For more complete product documentation, click Here
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WF50
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WF40
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BT40
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EHS36
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YHS33
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YHS33-USB
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