Service system for interconnecting heterogeneous communication t
Shared access to voice and information
Signal amplitude and clock signal frequency selection
Signal converter server network information system control...
Signal proessing circuit for use in telemetry devices
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 line communication apparatus for speech and data and meth
Single line master telephone with FAX connection
Single tone telephone receiver
Sketching unit for transmission of sketches and notes over norma
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