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Sinch: Delivery Issue Brazil - SurfTelecom

MinorStatus: resolvededitedStarted Resolved (12 h)5 updatesstatus.sinch.com (opens in new tab)

Affected components: External Connectivity - SMS - LATAMSMS - LATAM

Timeline of updates

  1. investigating

    We are currently observing delivery issues in Brazil - SurfTelecom.
    Incident Start Time: 2026-10-23 01:24 UTC
    Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
    We will update as soon as we have more information.
    If you have any questions, please contact support@sinch.com.

  2. investigating

    We are continuing to investigate this issue.

  3. investigating

    We are continuing to investigate this issue.

  4. monitoring

    A fix has been implemented and we are monitoring the results.

  5. resolved

    This incident has been resolved.
    Incident Start Time: 2026-10-23 01:24 UTC
    Incident End Time: 2026-10-23 13:36 UTC

Changes Rewindex caught on this incident

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Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.

How the archive is checked, and what it cannot prove.

Impact, status and times are the vendor’s own, as last archived. View on status.sinch.com (opens in new tab).

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