Yealink SIP- T46UProductivity-enhancing SIP Phone for Office Workers and ProfessionalsSound and Hear with Remarkable ClarityYealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance.Efficient Deployment and ManagementYealink T4U series supports effortless mass deployment and Zero Touch Provisioning with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism, making the device management labor-saving and efficient for the administrators.Dual USB Ports for Flexible Expansion ChoicesColor-screen Expansion Module EXP43The 4.3-inch color screen expansion module is designed to offer advanced call handling capabilities with its simplified UI and up to 60 programmable keys for various features.Key features;4.3″ 480 x 272-pixel color display with backlightOpus codec supportDual USB portsDual firmware imagesT42U (pending)/T43U/T46U/T48U Auto-P template unifiedT42U (pending)/T43U/T46U/T48U firmware unifiedUp to 16 SIP accountsDual-port Gigabit EthernetPoE supportUSB headset and EHS supportWi-Fi via WF40/WF50Bluetooth via BT40/BT41USB recordingSupports color-screen expansion modulesStand with two adjustable anglesWall mountableExpandable with YEA-EXP43PSU (YEA-PS5V2000US) not includedDoes not support EHS36 and EXP40
