Outage in Twilio
SMS Delivery Delays from Twilio to MobiFone Vietnam
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced SMS delivery delays when sending messages to MobiFone network subscribers in Vietnam, affecting SMS services in the APAC region for 6.6 hours. Engineers worked with carrier partners to identify and resolve the underlying issue. Service recovery was observed and monitored before full resolution was confirmed, with SMS delivery to MobiFone Vietnam returning to normal operations.
We are experiencing SMS delivery delays when sending messages to MobiFone network subscribers in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS, APACNeed to monitor Twilio outages?
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Latest Updates ( sorted recent to last )
RESOLVED
38 minutes ago - at 02/28/2026 11:02PM
The incident has been resolved and SMS delivery from Twilio to MobiFone network subscribers in Vietnam is operating normally.
MONITORING
about 1 hour ago - at 02/28/2026 10:21PM
We have observed a recovery in SMS delivery from Twilio to MobiFone network subscribers in Vietnam and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
MONITORING
about 3 hours ago - at 02/28/2026 08:21PM
We have observed a recovery in SMS delivery from Twilio to MobiFone network subscribers in Vietnam and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
IDENTIFIED
about 5 hours ago - at 02/28/2026 06:20PM
Twilio customers may be experiencing SMS delivery delays from Twilio to MobiFone network subscribers in Vietnam. 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.
IDENTIFIED
about 6 hours ago - at 02/28/2026 05:22PM
Twilio customers may be experiencing SMS delivery delays from Twilio to MobiFone network subscribers in Vietnam. 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.
INVESTIGATING
about 7 hours ago - at 02/28/2026 04:27PM
We are experiencing SMS delivery delays when sending messages to MobiFone network subscribers in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
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