ADSL subscriber processing equipment in ATM switch

Apparatus and method for detection of operation administration a

Apparatus and method for error isolation in hybrid...

Apparatus and method for performing a loopback test in a...

Apparatus and method for performing a loopback test in a...

Apparatus for protecting a telecommunications network from false

Automatic discovery of network node addresses

Built in self test

Code-based filtering mechanism for reducing data-induced...

Communication control circuit

Communication control method and communication apparatus

Communication control method and equipment for implementing...

Communication node, and ring configuration method and ring...

Communication node, and ring configuration method and ring...

Communication quality evaluation method, derivation device,...

Communication system testing method

Communication-line-quality measuring system using a conventional

Control system and operations system interface for a network ele

Directed echo requests and reverse traceroute

Dynamic communication line analyzer apparatus and method