With up to 25 minutes of recording time, The AT&T CD4930 corded Phone with Answering system and caller ID grabs calls when you can't. The system features a speakerphone that allows you to talk and listen without holding the handset, leaving your hands free. Caller ID entries display on a extra-large, easy-to-read LCD tilts to give you the best viewing angle of caller ID and call history records. Plus, the lighted display indicates how many new messages you have waiting. The AT&T CD4930 corded Phone with Answering system and caller ID comes features audio assist, which temporarily increases overall volume and enhances Sound frequencies that make speech easier to understand. The system also comes with an equalizer for customized audio. Choose from four preset audio profiles, which provides different emphasis of the audio spectrum. Select from profiles that emphasize bass, treble, and natural tones to meet your individual needs.