Full Duplex Handset Speakerphone: Allows both parties to speak and be heard at the same time during calls for natural, hands-free conversations Backlit Keypad and Display: Illuminates the keypad and LCD screen to support viewing and dialing in low-light conditions Caller ID/Call Waiting Stores 30 Calls: Displays the name, number, time, and date of incoming calls so you can identify callers before answering (requires subscription) Quiet Mode: Mutes the ringer on the handset and base unit temporarily or for an extended period when needed ECO Mode Power Management: Reduces power consumption during use to extend battery life between charges