Sinch: Delivery Issue AT&T US
Timeline of updates
- resolved
We are no longer observing delivery issues towards AT&T US. Impact: Clients may have observed a delay in SMS and MMS short code MT messages and DLRs towards AT&T US. Impact Time-slot #1 Incident Start Time: 2019-12-17 21:00 UTC. Incident End Time: 2019-12-18 01:44 UTC. Impact Time-slot #2 Incident Start Time: 2019-12-18 10:00 UTC. Incident End Time: 2019-12-18 12:20 UTC. If you have any further questions or concerns please contact support@sinch.com
From Sinch’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
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 2019-12-18 00:03 UTC, resolved after 13 h, 1 update(s).
- Title
- Delivery Issue AT&T US
- Vendor
- Sinch
- Date
- URL
- https://rewindex.com/company/sinch/incidents/scshj3cjx6s4
Sinch profileRecent Sinch incidentsAll outages on December 18, 2019Sinch in December 2019MarkdownJSON