NTT DoCoMo Inc. said Thursday that the disruption of texting and mobile phone services the previous day happened because its packet-switching equipment doesn't have enough capacity to handle the data traffic generated by smartphones.
The telecoms giant admitted to miscalculating the surge in data traffic that could be expected from smartphone users.
"Our estimate (of the communication volume) was insufficient . . . We apologize to our subscribers for causing the trouble," DoCoMo Executive Vice President Fumio Iwasaki told a news conference.
(Japan Times)
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