Security system for non-cash transactions
Self-aligning precision guide pin
Service context sensitive features and applications
Service delivery using broadband
Service order mechanism for telephone subscriber
Services node routing service
Signal discrimination circuit for determining the type of signal
Signal processor
Signal transfer arrangement
Signaling system for broadband communications networks
Software architecture for a computer telephony system
Specifying and establishing communication data paths between par
Speech communication apparatus having an echo canceler
Stand-in computer server
Subscriber feature services in a telecommunications system
Subscriber information shifting technique for a private exchange
Subscriber telephone diverter switch
Switch system for switching extension numbers
Switching device independent computer-telephone integration syst
System and method for changing advanced intelligent network serv