Nortel Networks Norstar T7316 Executive LCD Speakerphone for Phone System NT8B27 - USED Features: 10 Lines Built-In Speakerphone 2-Line by 16-Character LCD Display 3 LCD Soft Menu Keys 16 Programmable Keys with LCD Indicators 8 Programmable Keys without LCD Indicators Message Indicator Lamp (upper left corner) Volume Control Fixed Feature Keys: Release, Hold, Mute (Mic and Sound), and Headset Toggle