Yealink Device Comparison
CATEGORY
Product
![office phone,Wired phone,Corded Phone](https://www.yealink.com/website-service/attachment/product/image/20220413/202204130217126152817ec9f47ea84ae0e802f71726b.png)
SIP- T31
Dual-line entry level IP phone
![SIP Phone,IP phone,Business Phone](https://www.yealink.com/website-service/attachment/product/image/20220411/2022041110500719a578035450c8926d636cdbcdc5c.png)
SIP- T43U
SIP- T43U
![](https://www.yealink.com/website-service/attachment/product/image/20240202/202402020944247578ae6a9344cff9f088a4ed3f725eb.png)
SIP-T44W
SIP-T44W
All Specifications
Appearance
Key Features and Benefits
Keywords
Stronger Performance, More Possibilities,Superior HD Audio, Better Communication,
Classic Design, Practical Details,All-in-One Platform, Convenient Management
The SIP-T43U IP phone is a feature-rich business tool for excellent communications and extended functionality. Integrated with Hall Switch, T43U gives you a quieter operation and environment. It is a 12-line IP phone that comes with a 3.7-inch large black-and-white screen and the EXP43 support.
•Easy Customization and High Expansibility
•HD Audio
•Wireless Transmission
•Efficient Installation and Provisioning
•Secure Transport and Interoperability
Key Features
• Yealink HD Voice
• 2.3” 132x64-pixel graphical LCD with backlight
• Two-port 10/100M Ethernet Switch
• Up to 2 SIP accounts
• Local 5-way conferencing
• Support EHS Wireless Headset
• Unified Firmware
• Support YDMP/YMCS
• Stand with 2 adjustable angles
• Wall mountable
• 3.7" 360x160-pixel graphical LCD with backlight
• Dual USB ports
• Dual firmware images
• T4U Auto-P template unified
• T4U firmware unified
• Up to 12 SIP accounts
• PoE support
• USB headset and EHS support
• Wi-Fi via WF40/WF50
• Bluetooth via BT40/BT41/BT52
• Supports color-screen expansion
modules
• Stand with 2 adjustable angles
• Wall mountable
• Handset with hall switch
• 2.8” 320x240-pixel color LCD with backlight
• Dual USB ports
• Dual firmware images
• Built-in Bluetooth 4.2
• Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/
n/ac)
• T4U Auto-P template unified
• T4U firmware unified
• Up to 12 SIP accounts
• PoE support
• USB headset and EHS support
• Supports color-screen expansion modules
• Stand with 2 adjustable angles
• Wall mountable
• Handset with hall switch
Overview
Content Sharing
-
-
√
Camera
-
-
-
Operating System
Linux Based
Linux Based
Interface
LCD Display
2.3” 132x64-pixel graphical LCD
3.7" 360x160-pixel graphical LCD
2.8” 320x240-pixel color LCD with backlight
LCD Type
Fixed
Fixed
Mi
LED Indicators
√
√
LED for call and message waiting indication
Line Keys
2
8
8 line keys with LED
Memory Keys
2
21 (3 pages of 7 keys)
Expansion Module/Microphone (Accessory, purchased separately)
-
Yealink EXP43
Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), Class 3
• 2 x USB port (2.0 compliant)
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port
Foot Stand
2 Adjustable Angles
2 Adjustable Angles
Stand with 2 adjustable angles
Audio Features
HD Voice
HD handset, HD speaker
HD Speaker,HD Handset
HD handset, HD speaker
Speakerphone
Full-duplex
Full-duplex
Full-duplex hands-free speakerphone with AEC
Wideband Codec
G.722, Opus
G.722,Opus
AMR-WB (optional), G.722
Narrowband Codec
G.711(A/µ), G.729, G.729A, G.726, iLBC, G.723.1
G.711(A/µ), G.729A/B, G.726,G.723.1, iLBC, Opus
AMR-NB (optional), PCMU
HAC Handset
-
√
Hearing aid compatible (HAC) handset
Acoustic Shield
-
√
√
Yealink Noise Proof
-
-
√
Video Features
Video Resolution
-
-
-
Video Codecs
-
-
-
Connectivity
USB Port (2.0 Compliant)
-
2
2 x USB port (2.0 compliant)
Ethernet Port
2 x RJ45 10/100M Ethernet ports
Dual-port Gigabit Ethernet
Ethernet Cable (2m CAT5E UTP Cable)
Handset Port (RJ-9)
√
√
1 x RJ9 (4P4C) handset port
Headset Port (RJ-9)
√
√
1 x RJ9 (4P4C) headset port
PoE
-
√
2.0W - 5.2W
Headset
EHS Wireless Headset
USB Headset
Bluetooth headsets
USB headset
Bluetooth
-
√ (via BT40/BT41)
USB/Bluetooth connectivity
Wi-Fi
-
√ (via WF40/WF50)
√
HDMI
-
-
-
Wall Mountable
√
√
√
Corded-Cordless Phone
-
-
-
Door Phone Integration
-
-
-
Telephony Features
SIP Accounts
2
12
Up to 12 SIP accounts
N-way Conferencing
Local 5-way Conferencing
5-Way conferencing
5-way conference call
![](https://www.yealink.com/website-service/attachment/product/image/20220523/2022052310362998192c2d3544547bef243b0cdf8e422.png)
![Appearance of SIP- T31 picture 1](https://www.yealink.com/website-service/attachment/product/image/20220523/2022052310362998192c2d3544547bef243b0cdf8e422.png)
![Appearance of SIP- T31 picture 2](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523103630598aee8cbb499c9728e3c40afb126e.png)
![Appearance of SIP- T31 picture 3](https://www.yealink.com/website-service/attachment/product/image/20220523/202205231036299898c4781424f87a5766bea513f19af.png)
![](https://www.yealink.com/website-service/attachment/product/image/20220523/2022052308340319ec2b6ec646b78c86e75166dfbbed.png)
![Appearance of SIP- T43U picture 1](https://www.yealink.com/website-service/attachment/product/image/20220523/2022052308340319ec2b6ec646b78c86e75166dfbbed.png)
![Appearance of SIP- T43U picture 2](https://www.yealink.com/website-service/attachment/product/image/20220523/2022052308340344311a76fb4ceeb10c0955ddeb26f4.png)
![Appearance of SIP- T43U picture 3](https://www.yealink.com/website-service/attachment/product/image/20220523/2022052308340357052e72f47109dc24c069bcec726.png)
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