The BT Freestyle 3500 digital cordless phone features an answering machine with up to 15 minutes recording time. Key features include a 30 names and numbers directory, hands free, orange back lit LCD and clock. Practicality is enhanced with up to ten hours talk time and up to 100 hours standby and a 300m range. *You will need to subscribe to the BT Caller Display Service for the caller display function on this phone to be activated. The Caller Display Service is available FREE when you sign up to BT's FREE BT Privacy at Home service. It helps you take control of incoming calls with FREE BT Caller Display and also helps you reduce unwanted sales calls with Telephone Preference Service. This phone is NOT GAP compatible.