List of Maintenance/Outages information | NTT Com customer support

May 30,2025 02:08 Publish

Maintenance

Before work

COTOHA Translator

[Update]Maintenance on COTOHA Translator

Planned Maintenance duration(UTC): July 06,2025 04:00 - July 06,2025 10:00

Planned Maintenance duration(JST): July 06,2025 13:00 - July 06,2025 19:00

June 02,2025 17:08 Publish

Maintenance

Before work

NTT Communications Business Portal

Notice regarding suspension of inquiry function due to maintenance on NTT Communications Business Portal

Planned Maintenance duration(UTC): June 27,2025 11:00 - June 28,2025 04:00

April 15,2025 11:35 Publish

Trouble

Recovered

COTOHA Translator

[Outages Restore][Recovery] Outage notice of COTOHA Translator

Occurred at(UTC): April 15,2025 07:45

Occurred at(JST): April 15,2025 16:45

Recovered at(UTC): April 15,2025 08:05

Recovered at(JST): April 15,2025 17:05

March 24,2025 07:03 Publish

Trouble

Recovered

Arcstar Universal One Mobile Global M2M

[Recovery]Issue of Arcstar Universal One mobile Global M2M

Occurred at(UTC): March 24,2025 04:24

Occurred at(JST): March 24,2025 13:24

Recovered at(UTC): March 24,2025 06:30

Recovered at(JST): March 24,2025 15:30

October 30,2024 17:18 Publish

Trouble

Recovered

Arcstar Universal One Mobile Global M2M

[Recovery]Issue of Arcstar Universal One mobile Global M2M

Occurred at(UTC): October 30,2024 16:24

Occurred at(JST): October 31,2024 01:24

Recovered at(UTC): October 30,2024 17:18

Recovered at(JST): October 31,2024 02:18

September 30,2024 11:28 Publish

Trouble

Recovered

COTOHA Translator

[Recovery] Outage notice of COTOHA Translator

Occurred at(UTC): September 30,2024 10:17

Occurred at(JST): September 30,2024 19:17

Recovered at(UTC): September 30,2024 10:53

Recovered at(JST): September 30,2024 19:53

May 01,2025 02:33 Publish

Maintenance

Completed

COTOHA Translator

Maintenance on COTOHA Translator

Planned Maintenance duration(UTC): May 08,2025 11:00 - May 08,2025 12:00

Planned Maintenance duration(JST): May 08,2025 20:00 - May 08,2025 21:00

April 15,2025 07:34 Publish

Maintenance

Completed

COTOHA Translator

Maintenance on COTOHA Translator

Planned Maintenance duration(UTC): April 23,2025 11:00 - April 23,2025 13:00

Planned Maintenance duration(JST): April 23,2025 20:00 - April 23,2025 22:00

April 17,2025 04:37 Publish

Maintenance

Completed

Emergency

COTOHA Translator

Maintenance on COTOHA Translator

Planned Maintenance duration(UTC): April 21,2025 11:00 - April 21,2025 12:00

Planned Maintenance duration(JST): April 21,2025 20:00 - April 21,2025 21:00

Planned Maintenance/Outages Information

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Information regarding Outages

Information regarding Planned Maintenance

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