KDDI, a major mobile phone company that suffered a major communication failure, said that the decision to fully recover would be on the evening of the 5th.
The company was reviewing the recovery procedure in response to NTT DoCoMo's communication failure that occurred last year, but it said that the communication network was overloaded and had to limit communication. We will thoroughly verify it.
According to KDDI, a large-scale communication failure occurred after 1:30 am on July 2, and it became difficult to connect au and UQ mobile using the same line to povo calls and data communication nationwide. became.
In addition, it affected a wide range of living, such as the operation of AMeDAS and freight trains that observe the temperature using au lines.
The company announced that at 4:00 pm on the 4th, more than 62 hours after the outbreak, voice calls in addition to data communications have almost recovered nationwide.
Kazuyuki Yoshimura, managing director at an online press conference on the night of the 4th, said, "I would like to make a final recovery decision after confirming the service usage status of individual and corporate users." He showed the prospect that it would be the evening of the day.
In addition, Managing Director Yoshimura explained that although NTT DoCoMo's communication failure that occurred last year, he was reviewing the recovery procedure etc., but the load exceeding expectations was applied to the communication network and communication had to be restricted. ..
For this reason, KDDI has decided to thoroughly verify the cause and put together measures to prevent recurrence.
On the other hand, the Ministry of Internal Affairs and Communications has a policy of considering administrative guidance based on the report from KDDI, saying that it was not sufficiently informed to users even though the disability continued for a long time.