The incident has been resolved and SMS delivery receipts from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan are operating normally.
Posted Jul 19, 2026 - 17:26 PDT
Monitoring
We have observed a recovery in SMS delivery receipts from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Jul 19, 2026 - 17:24 PDT
Update
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 24 hours or as soon as more information becomes available.
Posted Jul 19, 2026 - 14:29 PDT
Update
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 24 hours or as soon as more information becomes available.
Posted Jul 18, 2026 - 14:24 PDT
Update
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 16 hours or as soon as more information becomes available.
Posted Jul 17, 2026 - 22:18 PDT
Update
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 8 hours or as soon as more information becomes available.
Posted Jul 17, 2026 - 14:17 PDT
Update
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.
Posted Jul 17, 2026 - 10:12 PDT
Update
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
Posted Jul 17, 2026 - 08:10 PDT
Identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Chunghwa network subscribers in Taiwan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
Posted Jul 17, 2026 - 07:10 PDT
This incident affected: CARRIER NETWORK (SMS, APAC).