DESC: The EKT 6520SD is an electronic multi-line speakerphone telephone with a Liquid Crystal Display (LCD). The EKT 6520 SD has 20 flexible buttons which can be used as programmable features or co lines. The EKT 6520SD are available in gray or ash white, and are compatible with all Toshiba Strata DK Systems that use electronic station ports and Toshiba Strata telephone systems.