Toshiba DDSS-3060 60-Button Add-On Module (Charcoal/Refurbished)This DSS is for console operators. The DSS attaches to any DKT 3000 telephone. The 60 buttons it adds could be used for direct station selection, line access, all call page, night transfer, and station speed dial. The DSS 3060 console use LEDs to indicate call and feature status. More Information Exchange line appearance Direct station select Abbreviated dial numbers Night service All call voice page