The new Yealink T4U series offers a modern and elegant appearance, along with improvements for greater interoperability and better collaboration. Built-in WIFI, Effortless Deployment With built-in Bluetooth 4.2 and dual-band 2.4G/5G WiFi, the SIP-T44W IP Phone ensures that you can keep up with modern wireless technology. Enjoy faster, hassle-free deployment with reduced cabling for a more attractive and efficient workspace. Sound and Hear with Remarkable Clarity Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Efficient Deployment and Management The Yealink T4U series supports effortless mass deployment and Zero Touch provisioning with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism, making device management labor-saving and efficient for administrators. Enhanced Security, Enjoy Peace of Mind The T44W is shielded with the latest security protocols, making your conversations more secure than ever. With TLS 1.3, you benefit from faster and more robust encryption, while WPA3 guards your network against emerging threats. Dual USB Ports for Flexible Expansion Choices Color-screen Expansion Module EXP43: The 4.3-inch color screen expansion module is designed to offer advanced call handling capabilities with its simplified user interface and up to 60 programmable keys for various features. Yealink Wireless/Wired USB Headsets: Seamlessly compatible with Yealink wireless/wired USB headsets, it meets the needs of users with large call volumes or headset preferences, making it ideal for call centers or administrative assistants. Features 2.8” colorLCD with backlight Up to 12 SIP accounts Optima HD voice with Acoustic Shield and Smart Noise Filtering Dual-port Gigabit Ethernet Built-in dual band 2.4G/5G Wi-Fi (802.11a/b/g/n/a c) Built-in bluetooth 4.2 Support USB recording Support expansion modules Headset, EHS support PoE support Stand with two adjustable angles, wall mountable

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