Yealink Device Comparison
CATEGORY
Product
W70B
High-Performance IP Base Station For Small-Medium Businesses
SIP- T31G
SIP- T31G
SIP- T42U
SIP- T42U
All Specifications
Appearance
Key Features and Benefits
Keywords
Ten Handsets
Twenty Simultaneous Calls
No Perception
Upgrade
LS & SRTP Security Encryption
Backup System
Centralized Deployment
Stronger Performance, More Possibilities,Superior HD Audio, Better Communication,Classic Design, Practical Details,All in One Platform, Convenient Management
Easy Customization and High Expansibility--•HD Audio •Efficient Installation and Provisioning •Secure Transport and Interoperability
Key Features
• Up to 20 simultaneous calls
• Up to 10 DECT cordless handsets or DECT headsets
• Up to 10 SIP accounts
• Noise Reduction System
• TLS and SRTP security encryption
• No Perception Upgrade
• Support Push-to-Tal
• Yealink HD Voice
• 2.3” 132x64-pixel graphical LCD with backlight
• Dual-port Gigabit Ethernet
• 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
• 2.7" 192x64-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
• Dual-port Gigabit Ethernet
• USB headset and EHS support
• Wi-Fi via WF40/WF50
• Bluetooth via BT40/BT41/BT52
• 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
2.7" 192x64-pixel graphical LCD
LCD Type
Fixed
Fixed
LED Indicators
√
√
Line Keys
2
6
Memory Keys
2
15 (3 pages of 5 keys)
Expansion Module/Microphone (Accessory, purchased separately)
-
-
Foot Stand
2 Adjustable Angles
2 Adjustable Angles
Audio Features
HD Voice
HD handset, HD speaker
HD Speaker,HD Handse
Speakerphone
Full-duplex
Full-duplex
Wideband Codec
G.722, Opus
G.722,Opus
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
HAC Handset
-
√
Acoustic Shield
-
√
Yealink Noise Proof
-
-
Video Features
Video Resolution
-
-
Video Codecs
-
-
Connectivity
USB Port (2.0 Compliant)
-
2
Ethernet Port
Dual-port Gigabit Ethernet
Dual-port Gigabit Ethernet
Handset Port (RJ-9)
√
√
Headset Port (RJ-9)
√
√
PoE
√
√
Headset
EHS Wireless Headset
USB Headset
Bluetooth
-
√ (via BT40/BT41)
Wi-Fi
-
√ (via WF40/WF50)
HDMI
-
-
Wall Mountable
√
√
Corded-Cordless Phone
-
-
Door Phone Integration
-
-
Telephony Features
SIP Accounts
2
12
N-way Conferencing
Local 5-way conferencing
5-way Conferencing
Finance
Education
Healthcare
Manufacturing
By Industry
Future Workers
Personal Collaboration
Desktop Video
By Scenario
3CX
Extron
Broadsoft
Metaswitch
For Strategic Partners
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