Minor incident

Twilio: SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia

Affected: SMS, APAC

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 20, 2026, 16:28 UTC
   investigating
   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.
2. Oct 20, 2026, 16:29 UTC
   identified
   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.
3. Oct 20, 2026, 17:30 UTC
   monitoring
   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.
4. Oct 20, 2026, 19:53 UTC
   resolved
   The incident has been resolved and SMS delivery from a subset of Twilio Phone Numbers to Telstra network subscribers in Australia is operating normally.

Updates as published by Twilio (original).