A system for (and a method of) selectively establishing communication with one of plural devices associated with a single telephone number during a disaster or disaster recovery period. In a preferred embodiment, the system includes two wireless connection units, each connected between a respective private...http://www.google.de/patents/US7257205?utm_source=gb-gplus-sharePatent US7257205 - Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
