Yealink Device Comparison
CATEGORY
Product
W78H
Premium DECT Handset
SIP-T44W
SIP-T44W
W70B
W70B
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
•Easy Customization and High Expansibility
•HD Audio
•Wireless Transmission
•Efficient Installation and Provisioning
•Secure Transport and Interoperability
Ten Handsets
Twenty Simultaneous Calls
No Perception
Upgrade
LS & SRTP Security Encryption
Backup System
Centralized Deployment
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
• 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
• 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
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.).
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
3CX
Extron
Broadsoft
Metaswitch
For Strategic Partners
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