Siemens optiPoint 500 Busy Lamp Field - Refurbished

These feature keys can either be for single-button access to speed dial numbers or DSS (Direct Station Selection) to internal extensions. The 90 programmable features keys can increase call-handling efficiency and accuracy when used at an attendant station. The optiPoint 500 Busy Lamp Field can be connected to the optiPoint 500 Basic, Standard SL, Standard and Advance telephone models.