The full-featured MultiModem® II corporate modem provides high-speed data and fax communications, a robust feature set, and an industrial chassis for rock-solid reliability. This modem is ideal for corporate users and legacy systems.Family FeaturesSynchronous and asynchronous support Dial-up and 2-wire leased line support U.S. Caller ID reporting Remote configuration for centralized setup and management Phone number storage DTMF tone detection Flash memory for easy updates Data communications, fax, and other value-added software Five-year warranty