The D3098 Series Corded/Cordless Phone with Caller ID and Answering System has Caller ID Announce that allows you to hear the name or numbers of callers before answering. The corded handset will function during power outages and there's a keypad and speakerphone on the base. You will be able to hear loud and clear with amplified sound up to 30 db boost with adjustable audio tones. The silent mode quiets all ringers and incoming messages. Other features include a belt clip and headset jack, it can be expandable up to 12 handsets, and can be mounted on a wall with the included bracket.