A secured partitioned communication system includes a shared switch network system in communication with an Intelligent Network Processor (INP). A terminating Intelligent Communication Device (ICD) located outside the management and control of the network defines a boundary therebetween and permits multiple...http://www.google.com.hk/patents/US6584184?utm_source=gb-gplus-share專利 US6584184 - Method and system for an intelligent partitioned communication system
