Patent ID: 7120686

Claim:
A method for providing network maintenance information, comprising the steps of: on an occurrence of a malfunction on a network, acquiring network malfunction information at a maintenance information providing server; the maintenance information providing server separating the acquired malfunction information, based on security against information leakage, into i) a first category of notification information adapted to maintenance personnel of a communication service provider, ii) a second category of notification information adapted to maintenance personnel of a network equipment vendor, and iii) a third category of notification information adapted to user-customer personnel, from the maintenance information providing server, providing concurrently the notification information of the malfunction to pre-registered portable terminals, the pre-registered portable terminals including first terminals of the maintenance personnel of the communication service provider, second terminals of the maintenance personnel of the network equipment vendor, and third terminals of the user-customer personnel, wherein, the maintenance information provider server selects and notifies only information necessary for each of said respective categories, the maintenance information provider server withholding unnecessary information from the information content for each said respective category so that the information content of the first, second, and third categories of notification information are different from each other based on the security against information leakage and the information required by each category, and the separating step further comprises i) prohibiting customer information from being included in the second category of information sent to the maintenance personnel of the network equipment vendor, the second category of information comprising information on a network equipment suffering from malfunction, and ii) prohibiting carrier insider information and vendor information from being included in the third category of information.