Simulated full duplex handset speakerphoneEnjoy a speakerphone that can keep up with your calls. Increase participation by allowing both ends to speak-and be heard-at the same time for conversations that are more true to life. Extra large display for easy viewingEasy-to-read LCD on the cordless handset. High-contrast black text on a white background provides for an easy-to-read screen to view incoming Caller ID or review call history. The lighted keypad also allows for easy dialing in low-light conditions. Big buttonsEnlarged font and extra-large, backlit keys make the keypad easy to use. This feature is especially helpful for those who are visually impaired. Digital answering systemDigitally record up to 14 minutes of incoming messages, outgoing announcements and memos. Also allows for instant playback, selective save or delete, and skipping or repeating messages from the handset and base. Caller ID/call waiting -50 name and number Caller ID historyHandset displays the name, number, time and date of incoming calls. Expandable up to 5 handsets (uses 50003 accessory handset)With up to 5 handsets using just one jack, this model is ideal for your busy home or small office (model 50003 accessory handset sold separately).