The Siemens DX800A is a multiline desktop phone for VoIP and ISDN or fixed line calling. It can support up to 4 parallel calls and expandable up to 6 handsets. It has Large (3 5 )TFT-Color Display with intuitive user interface. A built-in 55-minute answering machine with mailboxes date and time stamp and individual announcements for each incoming line completes the system. The Siemens DX800A also supports full remote operation so you can access your messages while you re away. The Siemens DX800A features large adressbook for up to 1 000 vCard’s link to Mobile via Bluetooth for incoming and outgoing calls best quality hands-free. It also features ECO DECT technology that uses up to 60% less energy than our conventional cordless phones.