Yealink Device Comparison
CATÉGORIE
Product
![Téléphone SIP, téléphone de bureau, téléphone filaire, téléphone professionnel](https://www.yealink.com/website-service/attachment/product/image/20220411/20220411104151776159e49bf4345b22ef9e0d33a224f.png)
SIP- T48U
Téléphone De Bureau Sip Avancé
![Téléphone SIP, téléphones de bureau, téléphone de bureau](https://www.yealink.com/website-service/attachment/product/image/20220412/202204120121401730317f6294f2c97fed723ba2f1ba0.png)
SIP- T42U
SIP- T42U
![Un téléphone IP d'entrée de gamme à double ligne plus puissantSystème téléphonique professionnel, système téléphonique IP, téléphone de bureau professionnel](https://www.yealink.com/website-service/attachment/product/image/20220413/202204130217126152817ec9f47ea84ae0e802f71726b.png)
SIP- T31P
SIP- T31P
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
7" 800 x 480-pixel color touch screen
2.7" 192x64-pixel graphical LCD
2.3” 132x64-pixel graphical LCD
LCD Type
Fixed
Fixed
Fixed
LED Indicators
√
√
√
Line Keys
0
6
2
Memory Keys
29 touch keys
15 (3 pages of 5 keys)
2
Expansion Module/Microphone (Accessory, purchased separately)
Yealink EXP43
-
-
Foot Stand
2 Adjustable Angles
2 Adjustable Angles
2 Adjustable Angles
Audio Features
HD Voice
HD Speaker,HD Handset
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.729A/B, G.726,G.723.1, iLBC, Opus
G.711(A/µ), G.729A/B, G.726,G.723.1, iLBC, Opus
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)
2
2
-
Ethernet Port
Dual-port Gigabit Ethernet
Dual-port Gigabit Ethernet
2 x RJ45 10/100M Ethernet ports
Handset Port (RJ-9)
√
√
√
Headset Port (RJ-9)
√
√
√
PoE
√
√
√
Headset
USB Headset
USB Headset
EHS Wireless Headset
Bluetooth
√ (via BT40/BT41)
√ (via BT40/BT41)
-
Wi-Fi
√ (via WF40/WF50)
√ (via WF40/WF50)
-
HDMI
-
-
-
Wall Mountable
√
√
√
Corded-Cordless Phone
-
-
-
Door Phone Integration
-
-
-
Telephony Features
SIP Accounts
16
12
2
N-way Conferencing
10-way Conferencing
5-way Conferencing
Local 5-way Conferencing
![](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523081121271d88400af446686737aa415cff238.png)
![Appearance of SIP- T48U picture 1](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523081121271d88400af446686737aa415cff238.png)
![Appearance of SIP- T48U picture 2](https://www.yealink.com/website-service/attachment/product/image/20220523/202205230811212594092593540a7927dd4430d53b969.png)
![Appearance of SIP- T48U picture 3](https://www.yealink.com/website-service/attachment/product/image/20220523/202205230811211676e9cdd1a48a29f2d8e112602188c.png)
![](https://www.yealink.com/website-service/attachment/product/image/20220523/202205230841084923e7bee6b4d9ebfc6426f171ff07e.png)
![Appearance of SIP- T42U picture 1](https://www.yealink.com/website-service/attachment/product/image/20220523/202205230841084923e7bee6b4d9ebfc6426f171ff07e.png)
![Appearance of SIP- T42U picture 2](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523084108615c5820a674111ae5eed0e733447a6.png)
![Appearance of SIP- T42U picture 3](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523084108498f91bb80e4e929d35d0d079297fde.png)
![](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523103136768a99e93044945bbbecf9e7e33b3e8.png)
![Appearance of SIP- T31P picture 1](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523103136768a99e93044945bbbecf9e7e33b3e8.png)
![Appearance of SIP- T31P picture 2](https://www.yealink.com/website-service/attachment/product/image/20220523/202205231031367575a8c410f4fce94a81d35b1cf5fdb.png)
![Appearance of SIP- T31P picture 3](https://www.yealink.com/website-service/attachment/product/image/20220523/20220523103136527794cc4c840469e8d211f4e55d254.png)
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