Yealink Device Comparison
CATEGORY
Product
W70B
High-Performance IP Base Station For Small-Medium Businesses
SIP-T44U
SIP-T44U
CP935W
CP935W
All Specifications
Appearance
Key Features and Benefits
Keywords
Ten Handsets
Twenty Simultaneous Calls
No Perception
Upgrade
LS & SRTP Security Encryption
Backup System
Centralized Deployment
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.
Modest Design, Easy-to-Use User Interface,Built-in Battery, Wi-Fi and DECT to Minimize Deployment Costs,HD Audio, Smooth Communication,Rich Features and High Expandability
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
• 2.8” 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
4-inch multi-touch screen with 480x800 resolution
• Optimal HD audio, full duplex technology
• Yealink Noise Proof Technology
• Built-in rechargeable lithium battery
• Up to 15 hours talk time (in ideal conditions)
• Up to 75 hours standby time in Wi-Fi mode (in ideal conditions)
• 20-foot (6-meter) and 360° voice pickup
• Built-in 6-microphone array for voice pickup
• 5-way conference call
• Hybrid UC meeting
• Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)
• Built-in Bluetooth 4.2
Overview
Content Sharing
-
Camera
-
Operating System
Linux
Interface
LCD Display
4'' 480x800 capacitive touch screen
LCD Type
Fixed
LED Indicators
-
Line Keys
-
Memory Keys
-
Expansion Module/Microphone (Accessory, purchased separately)
-
Foot Stand
-
Audio Features
HD Voice
Optimal HD Audio
Speakerphone
Full-duplex
Wideband Codec
G.722,G722.1C,Opus
Narrowband Codec
G.711(A/µ), G726, G729, G723, iLBC
HAC Handset
-
Acoustic Shield
Acoustics Fabric
Yealink Noise Proof
√
Video Features
Video Resolution
-
Video Codecs
-
Connectivity
USB Port (2.0 Compliant)
1
Ethernet Port
-
Handset Port (RJ-9)
-
Headset Port (RJ-9)
-
PoE
√
Headset
-
Bluetooth
Built-in Bluetooth 4.2
Wi-Fi
Built-in Wi-Fi (2.4GHz/5GHz, 802.11a/b/g/n)
HDMI
-
Wall Mountable
-
Corded-Cordless Phone
-
Door Phone Integration
-
Telephony Features
SIP Accounts
1
N-way Conferencing
5-way Conferencing
Finance
Education
Healthcare
Manufacturing
By Industry
Future Workers
Personal Collaboration
Desktop Video
By Scenario
3CX
Extron
Broadsoft
Metaswitch
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