The Toshiba Digital DP5022-SDM phone has 22 Keys, including 10 programmable keys, with display, no backlight. The Toshiba DP5022-SDM phone is fully compatible with the Toshiba Digital Family of CIX Phone Systems. This phone will work with the CIX40 only.
4-soft keys for menu prompts
Fixed feature buttons with Speed Dial, Volume Up/Down, Speakerphone, and Mic/Mute Half-duplex speakerphone