Yealink SIP-T43U IP Phone (3 Lines, Gigabit, USB)

Dimensions

224.9mm × 206.2mm × 174.9mm × 52mm

Product Type

Yealink IP Phone

Form Factor

Desktop, Wall Mountable

Power over Ethernet

Yes

Min Operating Temp

14°F

Max Operating Temp

122°F

Min Storage Temp

-40°F

Max Storage Temp

158ºF

Operating Humidity

10 to 95% (noncondensing)

Brand

CablesAndKits

Resolution

360 x 160

Display

LCD

Conferencing

Yes

Speakerphone

Yes

Audio Codecs

G.722, G.711(A/μ), G.729AB, G.726, iLBC, Opus

Weight

3.00 LBR

Yealink SIP-T43U IP Phone | Gigabit | USB Ports | 12-Line Ready The Yealink SIP-T43U IP Phone is designed for professionals needing both high performance and flexible connectivity. With dual Gigabit Ethernet ports, dual USB ports supporting WiFi/Bluetooth dongles, and optional expansion modules, the T43U delivers a modern, expandable communication solution. Featuring a 3.7-inch backlit graphical LCD display and support for up to 12 SIP accounts, the T43U offers robust call handling capabilities. The inclusion of Yealink’s Optima HD Voice technology, the wideband Opus codec, and smart noise filtering ensures every conversation is crisp and clear, even in busy environments. For deployment ease, the T43U supports PoE, unified firmware across the T4U series, and advanced provisioning features such as auto-provisioning and dual firmware images for upgrade protection. Its compatible with Yealink’s ecosystem—including wireless headsets, USB headsets, and expansion modules—making it a versatile choice for growing organizations. Features: Built-in dual-band WiFi (802.11a/b/g/n/ac) for flexible deployment USB 2.0 port for USB wired headsets or Bluetooth adapter connectivity 2.4" 320 × 240-pixel backlit color display Dual-port Gigabit Ethernet with PoE support Up to 4 SIP accounts and local 5-way conferencing Support for EHS wireless headsets via adapter Unified firmware and Yealink device management platform compatibility