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Yealink SIP-T43U High-Performance 12-Line IP Phone with HD Voice & Advanced Features

Yealink SIP-T43U High-Performance 12-Line IP Phone with HD Voice & Advanced Features

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Discover the Yealink SIP-T43U IP Phone, featuring HD audio, dual USB ports, and easy customization with expansion modules. Boost productivity with a versatile and reliable phone solution.


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Introducing the Yealink SIP-T43U IP Phone, a feature-packed and reliable business communication solution. This 12-line IP phone boasts a 3.7-inch black-and-white screen and supports the EXP43 expansion module for enhanced functionality. Experience crystal-clear voice communications with Yealink Optima HD Voice technology and the wideband codec of Opus.

Key Features:

  • Dual USB Ports: Bluetooth, Wi-Fi, USB headset, and USB recording capabilities.
  • HD Audio: Optima HD Voice technology for superior audio quality.
  • Efficient Installation & Provisioning: Redirection and Provisioning Service for easy deployment and maintenance.
  • Secure Transport & Interoperability: SIP over TLS/SSL and compatibility with leading soft switch suppliers.

Customize the Yealink SIP-T43U according to your needs with its two USB ports, 21 paperless DSS keys, and support for up to three expansion modules. Benefit from its easy installation and secure transport, ensuring your business communications remain efficient and protected. Discover the power and versatility of the Yealink SIP-T43U IP Phone today!

Yealink SIP-T43U: Crystal-Clear Communications & Customisation

  • Technical Data

    • 3.7" 360x160-pixel graphical LCD with backlight
    • Dual-port Gigabit Ethernet
    • Power over Ethernet (IEEE 802.3af), Class 2
    • 2 x USB port (2.0 compliant)
    • 1 x RJ9 (4P4C) handset port
    • 1 x RJ9 (4P4C) headset port
    • Operating humidity: 10~95%
  • Product Features

    • HD audio with Yealink Optima HD Voice technology
    • Dual USB ports for added functionality
    • Supports up to 12 SIP accounts
    • 3.7-inch black-and-white display
    • Wi-Fi and Bluetooth capabilities
    • Compatible with color-screen expansion modules
    • Easy installation and provisioning
| HD Audio | IP Phones | SIP-T43U | Yealink | Yealink IP Phones |