Metallic testing of a subscriber loop that provides both...

Method and a system for transmitting alarms

Method and an arrangement for performance monitoring in a teleco

Method and apparatus as for testing a telephone line interface c

Method and apparatus for accessing communication systems

Method and apparatus for an MLSC state machine

Method and apparatus for analyzing resistive faults on telephone

Method and apparatus for ascertaining the capacity of a...

Method and apparatus for automated asymmetric digital...

Method and apparatus for automated asymmetric digital...

Method and apparatus for automatically and adaptively adjusting

Method and apparatus for automatically detecting and measuring d

Method and apparatus for bridged tap impact analysis

Method and apparatus for checking the functionality of a...

Method and apparatus for communications monitoring

Method and apparatus for detecting a data service provider in a

Method and apparatus for detecting and locating a fault in a...

Method and apparatus for detecting and measuring foreign...

Method and apparatus for detecting and reporting a defective tel

Method and apparatus for determining and reporting the...