The SIP-T41S is a feature-rich business tool for superior communications and extended functionality. It offers a faster, more-responsive interface than the T41P and several performance-enhancing functions. It’s a six-line IP phone that comes with built-in programmable keys to enhance productivity. The SIP-T41S with Yealink Optima HD Voice technology and wideband codec of Opus delivers superb audio quality and crystal clear voice communications. With an all-new USB port, the SIP-T41S boasts unparalleled functionality and expansibility with Bluetooth, Wi-Fi and USB recording features. The Yealink’s new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration. Specifications: * 2.7” 192×64-pixel graphical LCD with backlight * Opus* codec support * USB 2.0 * T4S Auto-P template unified * T4S firmware unified * Up to 6 SIP accounts * PoE support * Paperless label design * Headset, EHS support * Integrated stand with 2 adjustable angles * Wall mountable