SMS Delivery Failures From a Subset of Twilio Alphanumeric Sender IDs to Telkomsel Indonesia

Incident Report for Twilio

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Sep 24, 2026 - 11:54 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Sep 24, 2026 - 09:48 PDT

Identified

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. 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.

Posted Sep 24, 2026 - 08:46 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Sep 24, 2026 - 07:03 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Sep 24, 2026 - 03:02 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Sep 24, 2026 - 01:02 PDT

Investigating

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Sep 23, 2026 - 23:56 PDT

This incident affects: CARRIER NETWORK (SMS, APAC).