Adapter for coupling together two subscribers' lines to a teleph

Adaptive wireless cell coverage

ADSL loop qualification systems and methods

Apparatus and method for communications loop characterization

Apparatus and method for testing a telephone circuit protector

Apparatus and method for testing digital communications circuits

Apparatus and method for troubleshooting internet protocol telep

Apparatus for range-testing cordless communication devices and m

Apparatus for testing spare line circuits in a communication sys

Apparatus for the automatic in-circuit testing of subscriber lin

Automated DSL performance adjustment

Automated DSL performance adjustment

Automated inbound test facility and method

Automated system and method for management of digital...

Automatic tone fault detection system and method

Call center with fault resilient server-switch link

CDMA mobile automatic call simulating method and simulator there

Communication channel capacity estimation

Communication lines with terminate and leave capability-VF data

Connection architecture for XDSL networks and intermediate...