Yealink Device Comparison
CATEGORY
Product
W70B
High-Performance IP Base Station For Small-Medium Businesses
SIP- T42U
SIP- T42U
SIP-T44U
SIP-T44U
All Specifications
Appearance
Key Features and Benefits
Keywords
Ten Handsets
Twenty Simultaneous Calls
No Perception
Upgrade
LS & SRTP Security Encryption
Backup System
Centralized Deployment
Easy Customization and High Expansibility--•HD Audio •Efficient Installation and Provisioning •Secure Transport and Interoperability
CommunicationsThe SIP-T44U IP phone is a feature-rich business tool for excellent communications and extended functionality. Integrated with Hall Switch, T44U gives you a quieter operation and environment. It is a 12-line IP phone that comes with a 2.8-inch color display with backlight and the EXP43 support.
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
• 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
• 2.8” 320x240-pixel color 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/BT51• Supports color-screen expansion modules• Stand with 2 adjustable angles• Wall mountable• Handset with hall switch2.8-inch ScreenOptima HD VoiceDual USB PortsAcoustic ShieldUnified FirmwareGigabitExpansion Module
Overview
Content Sharing
-
Camera
-
Operating System
Linux Based
Interface
LCD Display
2.7" 192x64-pixel graphical LCD
LCD Type
Fixed
LED Indicators
√
Line Keys
6
Memory Keys
15 (3 pages of 5 keys)
Expansion Module/Microphone (Accessory, purchased separately)
-
Foot Stand
2 Adjustable Angles
Audio Features
HD Voice
HD Speaker,HD Handse
Speakerphone
Full-duplex
Wideband Codec
G.722，Opus
Narrowband Codec
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
Handset Port (RJ-9)
√
Headset Port (RJ-9)
√
PoE
√
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
12
N-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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