The D1780 Series Cordless Phone with Digital Answering System features digital DECT 6.0 for superior clarity, security and range. It has a digital answering system with a dedicated key on each handset for message retrieval when you see the message waiting indicator light. You can also retrieve your messages remotely. This phone has a 10 number speed dial and you can store up to 50 names and numbers on the caller ID and up to 100 names and numbers in the phonebook. It has ECO mode for longer battery life and the silent mode turns off all ringers if you want peace and quiet. This phone is expandable up to 12 handsets.