Facility type determination technique
Fail safe voice system for integrated services for digital netwo
Failover mechanism for computer/telephony integration monitoring
Failover mechanisms for remote networked phones
Failover mechanisms for remote networked phones
Failure response procedure and system
Fast and noise-insensitive load status detection
Fault characterization using information indicative of echo
Fault conditions affecting high speed data services
Fault control and restoration in a data communication system
Fault detection in broadband cable systems
Fault detection method and apparatus for telephone lines
Fault isolating apparatus system and method
Fault location in a telecommunications network
Fault testing in a telecommunications switching platform
Feed imbalance detector in repeated line
Four pair cable test set