Unified messaging system and method
Unified system for exchanging data between a terminal and access
Universal authentication device for use over telephone lines
Universal authentication device for use over telephone lines
Universal modem receiver transmitter
Universal point of contact identifier system calling device...
Universal Serial Bus datapump command interpreter
User interface for integrating diverse methods of communication
User programmable telephone wiring access terminal
User recognition support for multifunction office device
Using modems to place modem connections on hold and to...
Utilization of in-band signaling to facilitate modem on hold