DECT 6.0. Call block. Speakerphone. Trilingual prompts. Intercom between handset and base. Conference ability. High contrast black text and lighted handset keypad. Push-to-Talk, any key answer. Power backup and ECO mode power conserving technology. 50 name/number directory. Up to 22 minutes of digital recording time. Black/Silver. Ergonomic design. Black/Silver