Yealink Device Comparison
CATEGORY
Product
![Yealink Ruggedized DECT Handset](https://www.yealink.com/website-service/attachment/product/image/20220627/202206270636362620ff8f8fa408fba84d013ad9b0f58.png)
W57R
Classic Ruggedized Handset
![](https://www.yealink.com/website-service/attachment/product/image/20240202/202402020944247578ae6a9344cff9f088a4ed3f725eb.png)
SIP-T44W
SIP-T44W
![Business Phone System,IP phone system,business desk phone](https://www.yealink.com/website-service/attachment/product/image/20220413/202204130217126152817ec9f47ea84ae0e802f71726b.png)
SIP- T31P
SIP- T31P
All Specifications
Appearance
Key Features and Benefits
Keywords
Shock, dust and water proof,Freely mobile communication,DECT technology
•Easy Customization and High Expansibility
•HD Audio
•Wireless Transmission
•Efficient Installation and Provisioning
•Secure Transport and Interoperability
Stronger Performance, More Possibilities,Superior HD Audio, Better Communication,Classic Design, Practical Details,All in One Platform, Convenient Management
Key Features
• Rugged DECT handset with IP54 protection rating
• Scratch resistant, disinfectant resistant
• 1.8’’ 128 x 160 TFT color screen with intuitive user interface
• HD audio and Flexible Noise Reduction (FNR)
• Vibration alarm
• Up to 40-hour talking time
• Up to 575-hour standby time
• Keypad backlight and keypad lock
• Fully compatible with Yealink W80/W90 Multi-Cell System for seamless roaming and handover
• 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
• Yealink HD Voice
• 2.3” 132x64-pixel graphical LCD with backlight
• Two-port 10/100M Ethernet Switch
• PoE support
• 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
Overview
Content Sharing
√
-
Camera
-
-
Operating System
Linux Based
Interface
LCD Display
2.8” 320x240-pixel color LCD with backlight
2.3” 132x64-pixel graphical LCD
LCD Type
Mi
Fixed
LED Indicators
LED for call and message waiting indication
√
Line Keys
8 line keys with LED
2
Memory Keys
2
Expansion Module/Microphone (Accessory, purchased separately)
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
Stand with 2 adjustable angles
2 Adjustable Angles
Audio Features
HD Voice
HD handset, HD speaker
HD handset, HD speaker
Speakerphone
Full-duplex hands-free speakerphone with AEC
Full-duplex
Wideband Codec
AMR-WB (optional), G.722
G.722, Opus
Narrowband Codec
AMR-NB (optional), PCMU
G.711(A/µ), G.729, G.729A, G.726, iLBC, G.723.1
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 x USB port (2.0 compliant)
-
Ethernet Port
Ethernet Cable (2m CAT5E UTP Cable)
2 x RJ45 10/100M Ethernet ports
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
Bluetooth headsets
USB headset
EHS Wireless Headset
Bluetooth
USB/Bluetooth connectivity
-
Wi-Fi
√
-
HDMI
-
-
Wall Mountable
√
√
Corded-Cordless Phone
-
-
Door Phone Integration
-
-
Telephony Features
SIP Accounts
Up to 12 SIP accounts
2
N-way Conferencing
5-way conference call
Local 5-way Conferencing
![](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523103136768a99e93044945bbbecf9e7e33b3e8.png)
![Appearance of SIP- T31P picture 1](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523103136768a99e93044945bbbecf9e7e33b3e8.png)
![Appearance of SIP- T31P picture 2](https://www.yealink.com/website-service/attachment/product/image/20220523/202205231031367575a8c410f4fce94a81d35b1cf5fdb.png)
![Appearance of SIP- T31P picture 3](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523103136527794cc4c840469e8d211f4e55d254.png)
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