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The Yealink SIP-T55A Mid-Level Desk Phone offers convenient usage and a superior calling experience. It comes with a 4.3-inch capacitive touch screen with 480 x 272 pixel resolution, providing easy operation. Equipped with Yealink's Noise Proof Technology, this device frees business voice collaboration from annoying noise and optimizes conference efficiency by minimizing distractions. This wall-mountable phone features a USB 2.0 port for USB headsets. It supports dual-port Gigabit Ethernet and PoE for advanced connectivity and powering options.