Device for providing dual monitoring of digital equipment
Dual-alerting paging system and monitoring of return call
Dynamic resource allocation process for a service control point
Electronic surveillance via correlation of call legs
Employing VXML to provide enhanced voicemail system
End-to-end network surveillance
Enhanced subscriber line call monitoring
Environment monitoring telephone network system
Failover mechanisms for remote networked phones
Failover mechanisms for remote networked phones
Ground fault detector
Ground key detector for a SLIC
Identification of damaged cable pairs in a telecommunications ne
Impedance blocking filter circuit
Impedance blocking filter circuit
Informing system
Instructive out-of-service telephone lines
Interface for trouble report input system and trouble report...
Master-slave microprocessor control circuit
Method and a system for transmitting alarms