Japan SMS - Planned Maintenance affecting NTT Japan

Resolved

Started

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Updates

  1. Resolved

    The scheduled maintenance has been completed.

  2. In progress

    Scheduled maintenance is currently in progress. We will provide updates as necessary.

  3. Scheduled

    On 12th Nov 2026 between 17:00 UTC and 18:00 UTC, the operator NTT Japan will be performing a maintenance on their SMS platform. During this time, SMS delivery to and from NTT Docomo subscribers may occasionally experience a delay. If you have any questions, please contact api.support.vonage.com