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Yealink SIP-T43U IP Phone Corded Corded Wall Mountable Classic Gray SIPT43U

Yealink SIP-T43U IP Phone Corded Corded Wall Mountable Classic Gray SIPT43U
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General Information
A Well-Rounded SIP Phone for Clear Communications

The SIP-T43U IP phone is a feature-rich business tool for excellent communications and extended functionality. It is a 12-line IP phone that comes with a 3.7-inch large black-and-white screen and the EXP43 support. United Yealink Optima HD Voice technology and wideband codec of Opus, the T43U awards you the superb audio quality and crystal-clear voice communications. The phone feels quicker and more responsive when performing call features. Moreover, the T43U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them freely according to your needs. The Yealink new T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration.

Easy Customization and High Expansibility

Accompanied by two USB ports, the T43U is your right-hand man in the office that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely according to your needs to enrich phone features. Meanwhile, the phone not only has three pages of flexible buttons that can be easily programmed with 21 paperless DSS keys at most, but also can connect up to three expansion modules, for up to 180 additional buttons with a screen-based LCD display and LED system.

HD Audio

Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform a higher HD audio quality than other wideband codecs in a high network bandwidth; However, if your current network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly.

Efficient Installation and Provisioning

Yealink T4U series supports efficient provisioning and effortless mass deployment with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings, which makes the T4U series simple to deploy, easy to maintain and upgrade. Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time and costs for businesses, as well as simplifies the management and maintenance.

Secure Transport and Interoperability

Yealink T4U series uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security technology. It's also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks. Moreover, it is carried with dual fimrware images that gives you a enterprise-level protection to avoid bricking your system once upgrade failed.

Technical Information
Handset Connectivity Technology:Corded
Base Unit Connectivity Technology:Corded
IP Phone Technology:VoIP
Speakerphone:Yes

Interfaces/Ports
Network (RJ-45):Yes
Number of Network (RJ-45) Ports:2
USB:Yes
PoE (RJ-45) Port:Yes

Physical Characteristics
Product Color:Classic Gray
Form Factor:Desktop
Form Factor:Wall Mountable
Height:6.9"
Width:8.9"
Depth:8.1"
Weight (Approximate):2.60 lb

Miscellaneous
Package Contents:
  • SIP-T43U IP Phone
  • Handset with Handset Cord
  • Ethernet Cable (2m CAT5E UTP Cable)
  • Stand
  • Quick Start Guide
Environmentally Friendly:Yes
Environmental Compliance:Restriction of Hazardous Substances (RoHS)
Environmental Compliance:Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.


  • UPC: 841885102973 
  • Mfr's Part #: 1301202 


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