Patent ID: 6327360
Filing Date: 2001-12-04
Classification: H04M,H04Q

Abstract:
An office data management system comprising:plural exchanges interconnected to configure a switching network; each of said plural exchanges including a main storage memory;said main storage memory containing individual office data and common office data, said individual and common office data including numbering plan information and subscriber information necessary for switching process;said individual office data being individually operated and managed in each of said exchanges;said common office data being operated and managed in common by all said exchanges in said network;wherein each of said exchanges comprises:means for receiving and storing a selection signal dialed by a subscriber; andmeans for analyzing said stored selection signal according to said numbering plan information existing in said office data;wherein said stored selection signal is first collated with numbering plan information existing in said common office data;wherein a connection process is performed in accordance with said common numbering plan information when a corresponding number can be registered as common numbering plan information and is recognized as an extension, a B board, a call origination, or a special service code, in said network;wherein said corresponding number is collated with individual numbering plan information existing in said individual office data individually registered at each node when said corresponding number cannot be recognized;wherein a connection process is performed in accordance with said individual numbering plan when it can be recognized whether said corresponding number is an extension, a B board, a call origination, a special service code, in an exchange accommodating an originator;wherein origination restriction is performed when said corresponding number cannot be recognized.