Signal amplitude and clock signal frequency selection
Signaling mechanism for modem connection holding and...
Signaling mechanism for modem connection holding and...
Simple modem log-on authentication
Simultaneous voice and data communications
Single button operations for a device
Single tone telephone receiver
Sketching unit for transmission of sketches and notes over norma
Smart card based system for telephone-securized transactions
Smart facsimile machine pick-up
Smart phone integration with computer systems
Smart phone integration with computer systems
Software controlled switch device
Source adaptive digital subscriber line and method
Splitter-less digital subscriber loop modems with improved...
Splitterless ethernet DSL on subscriber loops
Splitterless modem with integrated off-hook detector
Stand alone electronic mail notifying device
State control for a real-time system utilizing a nonprocedural l
Station to station message arrangement