Yealink Device Comparison
CATEGORY
Product
W77P
Professional Ruggedized DECT IP Phone System
SIP-T44W
SIP-T44W
W90
W90
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
•Easy Customization and High Expansibility
•HD Audio
•Wireless Transmission
•Efficient Installation and Provisioning
•Secure Transport and Interoperability
No Perception Upgrade·Sync Level1 Base Backup·Headsets Registration · Seamless Stability·Easy Deployment··Wide Coverage··Full Scenarios··Multiple Phone Books
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.).
• 2.8” 320x240-pixel color LCD with backlight
• Dual USB ports
• Dual firmware images
• Built-in Bluetooth 4.2
• Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/
n/ac)
• T4U Auto-P template unified
• T4U firmware unified
• Up to 12 SIP accounts
• PoE support
• USB headset and EHS support
• Supports color-screen expansion modules
• Stand with 2 adjustable angles
• Wall mountable
• Handset with hall switch
• Key Features and Benefits
• Support Air and LAN synchronization
• Seamless handover and roaming
• Up to 10 DM
• Up to 600 base stations
• Up to 2500 handsets
• Up to 2500 SIP accounts
• Up to 2500 parallel calls
• Support XML/LDAP/Remote Phonebook
• Support XSI Directory/XSI Call Log
• External antenna, DECT radio coverage up to 50 m indoors and 300 m outdoors
• Support IPv6
• Support PoE
• Support SRTP/SIPS/TLS, LDAP(s) and HTTPS
• Compatible with W57R/W59R/W56H/W53H/W73H/W78H, CP930W, CP935W and DD Phone
• DECT Technology: Yealink DECT technology focuses on high-quality Audio VoIP (wideband) and low bit-rate data applications. However, we are incompatible with third-party DECT devices (base station, handset, etc.).
Overview
Content Sharing
√
Camera
-
Operating System
Interface
LCD Display
2.8” 320x240-pixel color LCD with backlight
LCD Type
Mi
LED Indicators
LED for call and message waiting indication
Line Keys
8 line keys with LED
Memory Keys
Expansion Module/Microphone (Accessory, purchased separately)
Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), Class 3
• 2 x USB port (2.0 compliant)
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port
Foot Stand
Stand with 2 adjustable angles
Audio Features
HD Voice
HD handset, HD speaker
Speakerphone
Full-duplex hands-free speakerphone with AEC
Wideband Codec
AMR-WB (optional), G.722
Narrowband Codec
AMR-NB (optional), PCMU
HAC Handset
Hearing aid compatible (HAC) handset
Acoustic Shield
√
Yealink Noise Proof
√
Video Features
Video Resolution
-
Video Codecs
-
Connectivity
USB Port (2.0 Compliant)
2 x USB port (2.0 compliant)
Ethernet Port
Ethernet Cable (2m CAT5E UTP Cable)
Handset Port (RJ-9)
1 x RJ9 (4P4C) handset port
Headset Port (RJ-9)
1 x RJ9 (4P4C) headset port
PoE
2.0W - 5.2W
Headset
Bluetooth headsets
USB headset
Bluetooth
USB/Bluetooth connectivity
Wi-Fi
√
HDMI
-
Wall Mountable
√
Corded-Cordless Phone
-
Door Phone Integration
-
Telephony Features
SIP Accounts
Up to 12 SIP accounts
N-way Conferencing
5-way conference call
Finance
Education
Healthcare
Manufacturing
By Industry
Future Workers
Personal Collaboration
Desktop Video
By Scenario
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Broadsoft
Metaswitch
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