Patent ID: 6091736
Filing Date: 2000-07-18
Classification: H04L,H04M

Abstract:
A message storing and reproducing system comprising:primary means for processing, into processed messages, transmission messages sent from a plurality of subscriber sets;secondary means for storing said processed messages as stored messages for reproduction; andcontrol means for controlling connection between said primary and said secondary means in response to a fault indication in said primary means,wherein said primary means further processes, into reproduced messages for transmission to said subscriber sets, the stored messages sent from said secondary means through said control means additionally as said transmission messages in response to a reproduction request,wherein said subscriber sets are connected to said message storing and reproducing system through an exchange network,wherein said primary means comprises a first predetermined number of message processors, less in number than in said plurality of subscriber sets, for processing into said processed messages, respectively, the transmission messages sent from said subscriber sets through said exchange network, and for processing into said reproduced messages, respectively, the stored messages sent from said secondary means through said control means,wherein said secondary means comprising a second predetermined number of message storages for storing as said stored messages, respectively, the processed messages sent from said message processors through said control means, said second predetermined number being not greater than said first predetermined number,wherein said indication indicates a fault in one of said message processors,wherein said control means transmits a query periodically to each of said message processors and discriminates said fault in one of said message processors when no response is received from said one of message processors in response to said query, andwherein said one of said message processors is placed off-line as a result.