Expandable system lets you place phones throughout your home Includes a cordless handset and charging base and expands up to 5 handsets. (Uses EL50003 accessory handset, not included). DECT 6.0 digital technology enhances range and bandwidth so your conversations remain private and clear. Digital answering system features up to 14 minutes of recording time. Messages can be retrieved from the handset. Instant playback, selective save/delete and skip/repeat message features make it easy to manage your inbox. Easy-to-read LCD features high-contrast black text on a white background. Call waiting/caller ID displays the name and number of incoming calls and remembers up to 50 callers for convenient callback. (Call waiting/caller ID service required from your local telephone company.) Full-duplex handset speakerphone allows both ends of the call to speak and be heard simultaneously. Conference capability lets you include an outside line and up to 4 cordless handsets. 9-number speed dial simplifies use. Mount it on the wall to save counter space. ENERGY STAR- For products that meet federal guidelines for energy efficiency. ATT EL52103 DECT 6.0 Expandable Cordless Phone System With Digital Answering Machine is one of many Single-Line Multiple Handset Systems available through Office Depot. Made by AT & T.