minor✓ Resolved

SMS Delivery Delays and Failures From a Subset of Twilio Long Codes to U Mobile Malaysia

Twilio•Mon, May 11, 2026, 05:22 PM

Status

resolved

Duration

13h 17m

Updates

Coverage

0 articles

INCIDENT TIMELINE

✓ ResolvedTue, May 12, 2026, 06:40 AM

This incident has been resolved.

monitoringTue, May 12, 2026, 05:19 AM

We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

monitoringTue, May 12, 2026, 03:18 AM

We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

identifiedTue, May 12, 2026, 12:31 AM

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

identifiedMon, May 11, 2026, 08:30 PM

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. 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.

identifiedMon, May 11, 2026, 06:30 PM

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. 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.

identifiedMon, May 11, 2026, 05:30 PM

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. 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.

investigatingMon, May 11, 2026, 05:22 PM

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID

addc7014-e675-4fc7-bd3c-f74d48e98773

External ID

58g8rb3t8979

🕐 Started

Mon, May 11, 2026, 05:22 PM

🔄 Last Updated

Tue, May 12, 2026, 06:40 AM

✓ Resolved

Tue, May 12, 2026, 06:40 AM

MINOR

Impact Level

13h 17m

Total Duration

Status Updates

Affected Components

SMS, APAC

REQUEST COVERAGE

No article has been written for this incident yet. When 100 people request coverage, we automatically generate one.

0 / 100 requests100 more needed