Yealink Device Comparison
CATEGORY
Product
W78P
Premium DECT IP Phone System
SIP- T33G
SIP- T33G
SIP- T42U
SIP- T42U
All Specifications
Appearance
Key Features and Benefits
Keywords
Twenty Simultaneous Calls,HD Audio ,TLS&SRTP Security Encryption,Backup System,Centralized Deployment,Quick Charge,Vibration Alarm,OTA Upgrade,Long Standby Time,bluetooth 5.1
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
High-performance SIP cordless phone system
2.4" 240 x 320 TFT color screen with intuitive user interface
Up to 20 simultaneous calls
Up to 10 DECT cordless handsets
Up to 10 SIP accounts
Flexible Noise Reduction (FNR)/Noise Cancellation
Up to 21-hour talking time (in ideal conditions)
Up to 166-hour standby time (in ideal conditions)
Quick charging: 10-minute charging time for 2-hour talking time
TLS and SRTP security encryption
Vibration alarm guarantees you do not miss any call, even in noisy situations
Wall mountable charger
Maximum DECT radio coverage: 50 meters indoors, 300 meters outdoors
Energy-saving ECO features
• Yealink HD Voice
• 2.4” 320 x 240-pixel color display with backlight
• Dual-port Gigabit Ethernet
• PoE support
• Up to 4 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
DECT technology: Yealink DECT technology focuses on high-quality Audio VoIP (wideband) and bit-rate data applications. However, we are incompatible with third-party DECT devices (base station, handset, etc.).
Linux Based
Linux Based
Interface
LCD Display
2.4” 320 x 240-pixel color display
2.7" 192x64-pixel graphical LCD
LCD Type
Fixed
Fixed
LED Indicators
√
√
Line Keys
4
6
Memory Keys
12 (4 pages of 3 keys)
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
4
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
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