Longitudinal balance calibration for a subscriber line...
Longitudinal balance system
Longitudinally balanced, dual voltage line-feed circuit
Look ahead method and apparatus for predictive dialing using a n
Loop certification and measurement for ADSL
Loop certification and measurement for ADSL
Loop current monitor circuitry and method for a...
Loop current monitor circuitry and method for a...
Loop detection signal issuing circuit in subscriber circuit havi
Loop gain processing system for speakerphone applications
Loop integrity test device and method for digital subscriber...
Loop loss measurement and reporting mechanism for digital...
Loop loss measurement and reporting mechanism for digital...
Loop status verification system
Loop status verification system
Loop test apparatus and method
Loop-back test system using a suppressed ringing connection
Lottery agent data communication/telephone line interface
Lottery method and apparatus having a tiered prize scheme
Loudspeaker and telephone device comprising such a loudspeaker