Gigaset GIGASET-S820A-DUO DECT 6.0 1-Handset Landline Telephone Answering machine with up to 55 minutes of recording time Large, user-friendly, 2.4" touchscreen plus convenient keypad Call management functions: time-based and anonymous call silencing, call blocker, call and text message forwarding Quick Sync and Bluetooth technology allow your to synchronize information between the phone and Outlook files Talk time of up to 20 hours and standby time of up to 250 hours