The GTW V92 VoiceModem Windows driver is a software package designed to enable your GTW V92 Voice Modem (a type of internal or external modem) to function correctly with your Windows operating system. The "V92" part refers to a specific type of modem standard, which provides V.92 (or V.92/56K) dial-up connectivity, as well as additional features like voice functionality for things like faxing, answering machine support, and voice mail.

This driver ensures that your modem can send and receive data over phone lines, as well as utilize voice features like caller ID, voice mail, or even two-way voice communication, depending on your setup.