The present invention provides a method and system for connection verification. An embodiment includes a DSL based system, with a tester resident at a central office respective to a DSLAM. When a problem is encountered by a subscriber, the tester can be readily connected to the DSLAM to allow performance...http://www.google.de/patents/US7616577?utm_source=gb-gplus-sharePatent US7616577 - Method and system for connection verification
