Announces incoming calls while you surf the net. Identifies call waiting calls while you're on the Internet by announcing the caller's telephone number or category over a built-in speaker without interrupting your modem. You have the option to answer the call, send a message to the caller saying that you're on-line, or send the caller to voicemail*. Automatically disconnects the modem and connects the call-waiting call when the phone is answered. Installs between the computer modem, phone line and standard telephone. Compatible with common personal computer modems. Requires call waiting ID service. AC adapter included.