Yealink Device Comparison
CATEGORY
Product
W77P
Professional Ruggedized DECT IP Phone System
SIP-T57W
SIP-T57W
SIP- T31
SIP- T31
All Specifications
Appearance
Key Features and Benefits
Keywords
Twenty Simultaneous Calls，IP54，HD Audio ，TLS&SRTP Security Encryption，Backup System，Centralized Deployment，Quick Charge，Vibration Alarm，OTA Upgrade，Long Standby Time
Outstanding User Experience•
HD Audio•
Wireless Transmission•
High Expandability
Stronger Performance, More Possibilities，Superior HD Audio, Better Communication，
Classic Design, Practical Details，All-in-One Platform, Convenient Management
Key Features
• High-performance SIP cordless phone system
• 1.8" 128 x 160 TFT color screen with intuitive user interface
• Ruggedized DECT handset with IP54 protection rating
• Up to 20 simultaneous calls
• Up to 10 DECT cordless handsets
• Up to 10 SIP accounts
• Noise Reduction System
• FNR (Flexible Noise Reduction)/Noise Cancellation
• Up to 40-hour talking time
• Up to 575-hour standby time
• 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
• 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.).
• 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
• Yealink HD Voice
• 2.3” 132x64-pixel graphical LCD with backlight
• Two-port 10/100M Ethernet Switch
• 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
Overview
Content Sharing
√
-
Camera
-
-
Operating System
Linux Based
Linux Based
Interface
LCD Display
7" 800 x 480 Pixels Color Display
2.3” 132x64-pixel graphical LCD
LCD Type
Adjustable
Fixed
LED Indicators
√
√
Line Keys
0
2
Memory Keys
29 Touch Keys
2
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 handset, HD speaker
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.729, G.729A, G.726, iLBC, G.723.1
HAC Handset
√
-
Acoustic Shield
√
-
Yealink Noise Proof
√
-
Video Features
Video Resolution
-
-
Video Codecs
-
-
Connectivity
USB Port (2.0 Compliant)
1
-
Ethernet Port
Dual-port Gigabit Ethernet
2 x RJ45 10/100M Ethernet ports
Handset Port (RJ-9)
√
√
Headset Port (RJ-9)
√
√
PoE
√
-
Headset
USB/Bluetooth/RJ9
EHS Wireless Headset
Bluetooth
Built-in Bluetooth 4.2
-
Wi-Fi
Built-in（2.4G and 5G）
-
HDMI
-
-
Wall Mountable
√
√
Corded-Cordless Phone
√
-
Door Phone Integration
-
-
Telephony Features
SIP Accounts
16
2
N-way Conferencing
10-way Conferencing
Local 5-way Conferencing
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