Yealink Device Comparison
CATÉGORIE
Product
SIP- T33G
Un téléphone IP à écran couleur économique
SIP- T42U
SIP- T42U
SIP-T57W
SIP-T57W
All Specifications
Appearance
Key Features and Benefits
Keywords
Key Features
Overview
Content Sharing
-
-
√
Camera
-
-
-
Operating System
Linux Based
Linux Based
Linux Based
Interface
LCD Display
2.4” 320 x 240-pixel color display
2.7" 192x64-pixel graphical LCD
7" 800 x 480 Pixels Color Display
LCD Type
Fixed
Fixed
Adjustable
LED Indicators
√
√
√
Line Keys
4
6
0
Memory Keys
12 (4 pages of 3 keys)
15 (3 pages of 5 keys)
29 Touch Keys
Expansion Module/Microphone (Accessory, purchased separately)
-
-
Yealink EXP50
Foot Stand
2 Adjustable Angles
2 Adjustable Angles
1 Adjustable Angle
Audio Features
HD Voice
HD handset, HD speaker
HD Speaker,HD Handse
HD Handset, HD Speaker
Speakerphone
Full-duplex
Full-duplex
Full-duplex
Wideband Codec
G.722, Opus
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
G.711(A/µ), G.729, G729A, G.726, G.723.1, iLBC
HAC Handset
-
√
√
Acoustic Shield
-
√
√
Yealink Noise Proof
-
-
√
Video Features
Video Resolution
-
-
-
Video Codecs
-
-
-
Connectivity
USB Port (2.0 Compliant)
-
2
1
Ethernet Port
Dual-port Gigabit Ethernet
Dual-port Gigabit Ethernet
Dual-port Gigabit Ethernet
Handset Port (RJ-9)
√
√
√
Headset Port (RJ-9)
√
√
√
PoE
√
√
√
Headset
EHS Wireless Headset
USB Headset
USB/Bluetooth/RJ9
Bluetooth
-
√ (via BT40/BT41)
Built-in Bluetooth 4.2
Wi-Fi
-
√ (via WF40/WF50)
Built-in（2.4G and 5G）
HDMI
-
-
-
Wall Mountable
√
√
√
Corded-Cordless Phone
-
-
√
Door Phone Integration
-
-
-
Telephony Features
SIP Accounts
4
12
16
N-way Conferencing
Local 5-way Conferencing
5-way Conferencing
10-way Conferencing
Finance
Éducation
Soins de santé
Fabrication
By Industry
Futurs travailleurs
Collaboration personnelle
Vidéo de bureau
By Scenario
3CX
Extron
Broadsoft
Metaswitch
For Strategic Partners
Contact Us
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