The Panasonic KX-T7740NZ DSS Console is designed to compliment the KX-T7735NZ and KX-T7730NZ system phones. The KX-T7740NZ provides visibility of extensions in-use and allow for quick and easy one-touch transferring of calls on the 32 Dual colour LED buttons. The 12 one touch keys can be programmed with regularly dialled numbers or system feature codes.