Bandwidth: AT&T SMS Delays
Affected components: SMS Messaging - SMPP
Timeline of updates
- investigating
Bandwidth teams are investigating delays to outbound SMS messages to AT&T destinations.
- identified
Teams have identified the source of this incident and are working to restore expected messaging deliverability.
- monitoring
Teams are observing expected messaging behavior and will monitor for stability.
- resolved
This incident has been resolved.
- postmortem
Between 00:00 UTC and 03:31 UTC on November 12, outbound SMS messages to AT&T were delayed or failed to deliver.
Bandwidth is continuing to investigate this issue to identify all actions necessary to prevent this from recurring and will update this post with an Incident Report after investigations have concluded.
We are grateful you have entrusted Bandwidth as your communication partner and we are sorry if this issue resulted in any disruption to your services.
Changes Rewindex caught on this incident
- Incident updated: AT&T SMS Delays
- Incident updated: AT&T SMS Delays
- Incident updated: AT&T SMS Delays
- Incident updated: AT&T SMS Delays
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.bandwidth.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Bandwidth, started 2026-11-12 01:32 UTC, resolved after 3.4 h, 5 update(s); edited after publishing.
- Title
- AT&T SMS Delays
- Vendor
- Bandwidth
- Date
- URL
- https://rewindex.com/company/bandwidth/incidents/5jlygp3tfz8r
Bandwidth profileRecent Bandwidth incidentsAll outages on November 12, 2026Bandwidth in November 2026MarkdownJSON