The SIP-T41S is an affordable SIP Phone that offers feature-rich business tool for superior communications and extended functionality. It offers a faster, more-responsive interface than thee 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 clear voice communications. It boasts unparalleled functionality and expandability with bluetooth, Wi-Fi and USB recording features.