Computer Terminals Biometrically Enabled for Network Functions and Voice Communication

The invention provides a handset that includes a finger-image sensor that provides finger-image-related signals or data for authentication purposes and functions as a telephone handset for use with a computer terminal. A system, including handsets and computer terminals, enables the terminal and/or the handset to access or otherwise participate in at least one network-related function and voice communication in response to authentication of finger-image data provided by the handset.