Twilio incident
SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia
Twilio experienced a minor incident on October 20, 2026 affecting SMS, APAC, lasting 3h 24m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 20, 2026, 04:28 PM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Oct 20, 2026, 04:29 PM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
- monitoring Oct 20, 2026, 05:30 PM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- resolved Oct 20, 2026, 07:53 PM UTC
The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia is operating normally.