An unbundling demarcation device (UDD) is disclosed for disconnecting the equipment of a local exchange carrier (LEC) from a subscriber in order to permit a competing local exchange carrier (CLEC) to provide local service to the subscriber. The unbundling demarcation device (UDD) and related CLEC equipment...http://www.google.de/patents/US6282277?utm_source=gb-gplus-sharePatent US6282277 - Unbundling device and method for connecting a competing local exchange carrier (CLEC) to the subscriber loop of a local exchange carrier (LEC)
