Computerized system for routing incoming telephone calls to a pl
Computerized telephone monitoring system
Concentrated dynamic test path rooting
Conditioner unit for pair gain test controller
Conditioner unit for pair gain test controller
Conference call peer-driven degraded line detection and removal
Connection architecture for XDSL networks and intermediate...
Connection event reporting in a cable telephony system
Connectivity scanner
Connector block with built-in array test feature
Continuity test set with voice communication
Control circuit for causing cyclic application of sealing...
Control of operating states of channel unit installed in perform
Craft menu system using caller ID functionality for...
Cross-connect switch and method for providing test access theret
Cross-connected switch having means for removing switching modul
Customer bridge with indicators for diagnosing electrical connec
Customer line tester
Customer services terminal method and apparatus for testing...