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S. Korean mobile carriers create disaster roaming system to prevent network blackouts Updated: 2020-08-03 06:27:16 KST

After a fire broke out in the basement of a KT building in central Seoul in 2018, phone and internet services, cash machines and in-store payment systems in the area were paralyzed.
To prevent such network blackouts from happening again, the government and the three major mobile carriers have established a system that makes urgent use of other carriers' networks in case of damage to a carrier’s base station.
Phones automatically connect to another company's network in about twenty seconds without users having to do anything.

"Roaming will be provided on all devices within an hour. Protection for our customers is provided and roaming is provided with the remaining capacity."

For the new system, the three mobile carriers have established separate networks of about one million lines each and the government has decided to dedicate personnel exclusively for inspecting base stations.

"Disasters can occur unexpectedly no matter how well prepared we are. We decided to double up the network itself and duplicate the power supply to prevent blackouts."

Users of 4G and 5G networks can use this service automatically, while 3G users must purchase SIM cards from other mobile carriers.
Park Se-young, Arirang News.
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KOGL : Korea Open Government License
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