rewindex

CompaniesSinchIncidents

Sinch: Delivery Issue - United States - AT&T

MinorStatus: resolvededitedStarted Resolved (3.4 h)3 updatesstatus.sinch.com (opens in new tab)

Affected components: External Connectivity - SMS - US - 10DLCSMS - US - 10DLCSMS VerificationVerification - SMS Verification

Timeline of updates

  1. investigating

    We are currently observing delivery issues in United States - AT&T
    Incident Start Time: 2026-11-12 00:00 UTC
    Impact: Failed MT's/Delayed MT'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. resolved

    This incident has been resolved.
    Incident Start Time: 2026-11-12 00:00 UTC
    Incident End Time: 2026-11-12 03:41 UTC

Changes Rewindex caught on this incident

Archive proof

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.

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

Rewindex captured this after the last checkpoint; the next run () commits it.

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

Cite this

Status incident (vendor impact label: minor) posted by Sinch, started 2026-11-12 00:33 UTC, resolved after 3.4 h, 3 update(s); edited after publishing.

Title
Delivery Issue - United States - AT&T
Vendor
Sinch
Date
URL
https://rewindex.com/company/sinch/incidents/f8csqk309pg9

Sinch profileRecent Sinch incidentsAll outages on November 12, 2026Sinch in November 2026MarkdownJSON