Outage in Twilio

SMS Delivery Delays to Vinaphone and MobiFone Networks in Vietnam

Resolved Minor
May 29, 2025 - Started 2 days ago - Lasted about 10 hours
Official incident page

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Outage Details

Our monitoring systems have detected a potential issue with SMS delivery delays in Vietnam. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Components affected
Twilio SMS, APAC
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 05/29/2025 05:07PM

We are no longer experiencing SMS delivery delays when sending messages to Vinaphone and MobiFone networks in Vietnam. This incident has been resolved.

MONITORING 1 day ago - at 05/29/2025 03:09PM

We are observing recovery in SMS delivery delays when sending messages to Vinaphone and MobiFone Networks in Vietnam. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 05/29/2025 01:48PM

We continue to experience SMS delivery delays when sending messages to Vinaphone and MobiFone networks in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING 2 days ago - at 05/29/2025 09:55AM

We continue to experience SMS delivery delays when sending messages to Vinaphone and MobiFone networks in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING 2 days ago - at 05/29/2025 08:10AM

We continue to experience SMS delivery delays when sending messages to Vinaphone and MobiFone networks in Vietnam. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 2 days ago - at 05/29/2025 07:28AM

We are experiencing SMS delivery delays when sending messages to Vinaphone and MobiFone networks 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.

INVESTIGATING 2 days ago - at 05/29/2025 07:18AM

Our monitoring systems have detected a potential issue with SMS delivery delays in Vietnam. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

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