Yealink Device Comparison
CATEGORY
Product
W78H
Premium DECT Handset
SIP-T57W
SIP-T57W
SIP- T42U
SIP- T42U
All Specifications
Appearance
Key Features and Benefits
Keywords
HD Audio，Noise Cancellation，3.5mm Headset Jack，Belt Clip ,Quick charge，Bluetooth 5.1，Vibration alarm，OTA Upgrade
Outstanding User Experience•
HD Audio•
Wireless Transmission•
High Expandability
Easy Customization and High Expansibility--•HD Audio •Efficient Installation and Provisioning •Secure Transport and Interoperability
Key Features
• New modern commercial design, more compact and easy to carry
• 2.4’’ 240 x 320 TFT color screen with intuitive user interface
• 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
• HD audio and noise cancellation
• Headset connection via Bluetooth or 3.5 mm jack
• Vibration alarm guarantees you not miss any call, even in noisy situations
• Sturdy and reliable belt clip to move freely
• Meet demands in either single-cell or multi-cell solutions
• 7” 800 x 480 capacitive adjustable touch screen
• Adjustable LCD screen
• Dual firmware images
• T53/T53W/T54W/T57W firmware unified
• Built-in Bluetooth 4.2
• Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/n)
• USB 2.0 port for USB recording, wired/wireless USB headsets and EXP50
• Up to 16 VoIP accounts
• Dual-port Gigabit Ethernet
• PoE support
• HAC Handset
• Paperless label design
• 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
7" 800 x 480 Pixels Color Display
2.7" 192x64-pixel graphical LCD
LCD Type
Adjustable
Fixed
LED Indicators
√
√
Line Keys
0
6
Memory Keys
29 Touch Keys
15 (3 pages of 5 keys)
Expansion Module/Microphone (Accessory, purchased separately)
Yealink EXP50
-
Foot Stand
1 Adjustable Angle
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, G729A, G.726, G.723.1, iLBC
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)
1
2
Ethernet Port
Dual-port Gigabit Ethernet
Dual-port Gigabit Ethernet
Handset Port (RJ-9)
√
√
Headset Port (RJ-9)
√
√
PoE
√
√
Headset
USB/Bluetooth/RJ9
USB Headset
Bluetooth
Built-in Bluetooth 4.2
√ (via BT40/BT41)
Wi-Fi
Built-in（2.4G and 5G）
√ (via WF40/WF50)
HDMI
-
-
Wall Mountable
√
√
Corded-Cordless Phone
√
-
Door Phone Integration
-
-
Telephony Features
SIP Accounts
16
12
N-way Conferencing
10-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
Contact Us
Learn more about Solution Application
