Detecting faults in subscriber telephone lines
Detecting faults in subscriber telephone lines
Device for measuring analog telephony signals
Diagnostic channel wakeup sequence for network managed fractiona
Diagnostic device for a telephone system
Digital subscriber line diagnostic system
Digital subscriber line diagnostic system
DMT test method for determining ADSL capability of cables
DSL communication method of performing an interruption and a...
DSL system estimation including known DSL line scanning and...
DSL system training
DSL tester
Equivalent working length determinative system for digital...
ESS equipment testing device
Fault conditions affecting high speed data services
Fault detection method and apparatus for telephone lines
Hot cut procedure for telecommunications network
Incentive-based DSL system
Intelligent services network test system
Line qualification with neural networks