Network system with a plurality of nodes for administrating communications terminals
First Claim
1. A network system comprising:
- a plurality of nodes, each node including a respective administrating means for administrating at least one communication terminal located in a predetermined region in the network system, wherein said administrating means operates for flexibly changing grouping of communication terminals to be associated with each node in response to establishment, abolishment and replacement of communication terminals;
each administrating means including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration table of the administrating means of each of said plurality of nodes, said respective communication terminal administration table memorizing network addresses of all communication terminals existing in the network system administrated by said administrating means of said plurality of nodes; and
said administrating means of each node notifying changes of communication addresses relating to establishment, abolishment and replacement of communication terminals administrated thereby to the administrating means of all remaining nodes in the network system, for renewing the respective communication terminal administration table of each of said plurality of nodes in the same manner so as to maintain correspondence of communication terminal administration tables among all the nodes.
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Abstract
The present invention relates to a network system capable of easily correcting communication terminal administration data identically in a plurality of nodes (i.e. store and forward machines) without specially requiring installation of any additional hardware. The network system comprises at least two nodes each administrating a plurality of communication terminals. Each of the nodes has a memory device memorizing not only data of its own administrating communication terminals but data of other communication terminals administrated by other nodes. And further, each node is effected to notify any change occurring in its own administrating communication terminals to other nodes in the network system.
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Citations
17 Claims
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1. A network system comprising:
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a plurality of nodes, each node including a respective administrating means for administrating at least one communication terminal located in a predetermined region in the network system, wherein said administrating means operates for flexibly changing grouping of communication terminals to be associated with each node in response to establishment, abolishment and replacement of communication terminals; each administrating means including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration table of the administrating means of each of said plurality of nodes, said respective communication terminal administration table memorizing network addresses of all communication terminals existing in the network system administrated by said administrating means of said plurality of nodes; and said administrating means of each node notifying changes of communication addresses relating to establishment, abolishment and replacement of communication terminals administrated thereby to the administrating means of all remaining nodes in the network system, for renewing the respective communication terminal administration table of each of said plurality of nodes in the same manner so as to maintain correspondence of communication terminal administration tables among all the nodes. - View Dependent Claims (2, 3, 4, 16)
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5. A network system comprising:
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a plurality of nodes, each node including a respective administrating means for administrating at least one communication terminal located in a predetermined region in the network system, wherein said administrating means operates for flexibly changing grouping of communication terminals to be associated with each node in response to establishment, abolishment and replacement of communication terminals; each administrating means including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration table of the administrating means of each of said plurality of nodes, said respective communication terminal administration table memorizing higher priority information including telephone numbers used for communication in the network system and lower priority information other than telephone numbers of all the communication terminals existing in the network system administrated by said administrating means of said plurality of nodes; and said administrating means of each node responding to change relating to establishment, abolishment and replacement of communication terminals by renewing the higher priority information in the respective communication terminal administration table thereof prior to changing the lower priority information therein. - View Dependent Claims (6, 7)
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8. A network system comprising:
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a plurality of nodes, each node including a respective administrating means for administrating at least one communication terminal located in a predetermined region in the network system, wherein said administrating means operates for flexibly changing grouping of communication terminals to be associated with each node in response to establishment, abolishment and replacement of communication terminals; each administrating means including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration table of the administrating means of each of said plurality of nodes, said respective communication terminal administration table memorizing names and telephone numbers of all communication terminals existing in the network system administrated by said administrating means of said plurality of nodes; and said administrating means of each node notifying changes of said communication terminal administration table relating to establishment, abolishment and replacement of communication terminals administrated thereby to the administrating means of all remaining nodes in the network system and changing the telephone numbers prior to changing the names of communication terminals.
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9. A network system comprising:
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a plurality of nodes, each node including a respective administrating means for administrating at least one communication terminal located in a predetermined region in the network system, wherein said administrating means operates for flexibly changing grouping of communication terminals to be associated with each node in response to establishment, abolishment and replacement of communication terminals; each administrating means including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration table of the administrating means of each of said plurality of nodes, said respective communication terminal administration table memorizing network addresses of all communication terminals existing in the network system administrated by said administrating means of said plurality of nodes; and said administrating means of each node prohibiting a correction of a particular network address relating to a communication terminal designated as an unchangeable communication terminal even if a changing request is received from administrating means of remaining nodes in the network system. - View Dependent Claims (10)
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11. A network system comprising:
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a plurality of nodes, each node including a respective administrating means for administrating at least one communication terminal located in a predetermined region in the network system, wherein said administrating means operates for flexibly changing grouping of communication terminals to be associated with each node in response to establishment, abolishment and replacement of communication terminals; each administrating means including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration table of the administrating means of each of said plurality of nodes, said respective communication terminal administration table memorizing telephone numbers of all the communication terminals existing in the network system administrated by said administrating means of said plurality of nodes; and said administrating means of each node renewing contents of the respective communication terminal administration table thereof after confirming that a telephone number identical with a telephone number requested to register does not exist in said respective communication terminal administration table thereof, and further notifying existence of double registration to an operator when a telephone number identical with the telephone number requested to register exists in said respective communication terminal administration table thereof.
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- 12. A network system comprising at least two nodes each administrating a plurality of communication terminals, and each of said nodes having a memory means for memorizing not only data of its own administrating communication terminals but data of other communication terminals administrated by other nodes, and any one of nodes transmitting all the content of the memory means to a newly installed node, and to the contrary, said newly installed node transmitting all the information relating to its own administrating communication terminals to other nodes.
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14. A network system comprising:
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a plurality of nodes, each node including a respective administrating means for administrating at least one communication terminal located in a predetermined region in the network system, wherein said administrating means operates for flexibly changing grouping of communication terminals to be associated with each node in response to establishment, abolishment and replacement of communication terminals; each administrating means including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration table of the administrating means of each of said plurality of nodes, said respective communication terminal administration table memorizing data of all the communication terminals existing in the network system administrated by said administrating means of said plurality of nodes; and said administrating means of each node changing the content of the respective communication terminal administration table thereof when a data change occurs in response to establishment, abolishment and replacement of communication terminals administrated thereby and notifying said data change to the respective administrating means of remaining nodes connected in said network system, said administrating means of each node further changing the content of the respective communication terminal administration table thereof when a changing request is received from an administrating means of any of the remaining nodes in the network system, thereby renewing the communication terminal administration table of the respective administrating means of each node in the same manner so as to maintain correspondence of the contents of communication terminal administration tables among all the nodes.
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15. A network system comprising:
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a plurality of store and forward apparatuses each administrating at least one of a plurality of communication terminals located in a predetermined region in the network system, wherein each said store and forward apparatus operates for flexibly changing grouping of communication terminals to be associated with each store and forward apparatus in response to establishment, abolishment and replacement of communication terminals; each store and forward apparatus including a respective communication terminal administration table, each communication terminal administration table including a content common with the communication terminal administration tables of each other of said plurality of store and forward apparatuses; and said each store and forward apparatus renewing the content of the respective communication terminal administration table thereof when a data change occurs in response to establishment, abolishment and replacement of communication terminals administrated thereby, said each store and forward apparatus further renewing the content of the respective communication terminal administration table thereof when a changing request is received from any other store and forward apparatus in the network system with respect to change of content of the respective communication terminal administration table of said other store and forward apparatus, thereby renewing the communication terminal administration table of each store and forward apparatus in the same manner so as to maintain correspondence of the contents of communication terminal administration tables among all the store and forward apparatuses. - View Dependent Claims (17)
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Specification