Motorola DECT 6.0 Corded Base Phone with Cordless Handset, Digital Answering System and Bluetooth L512CBT Interference free Digital DECT 6.0 Technology Caller ID/Call Waiting Caller ID Enhanced Visual Ring Indicator for Incomming Call Alert DECT 6.0 technology Bluetooth connectivity Expandable up to 5 handsets Allows user to make & receive cellular phone calls on home phone Pairs up to 2 cellular phones