Siemens Gigaset AS405A Trio is a telephone set that has been designed with simplicity and style at the forefront. With an answering machine of up to 20 minutes recording time, an 8 display that illuminates with good contrast and a shared phonebook, you'll find an easier lifestyle can be achieved. DECT security ensures that any communication between the handset and base unit is encrypted to prevent important information from being exposed to others. Additional Features: Perfect sound quality 4 expandable headsets Handsfree talking Display of caller's number Illuminated keypad