Vietnam SMS - Planned maintenance affecting Viettel

Scheduled for Oct 15, 17:00 - 18:00 UTC

Scheduled

Between 15-Oct-2026 17:00 UTC and 15-Oct-2026 21:00 UTC, the operator Viettel will be performing maintenance on their SMS platform.

During this maintenance period, there may be difficulties in delivering messages to and from the subscribers of this Viettel operator.

Please contact api.support.vonage.com if you have any questions.

Posted Oct 13, 2026 - 09:07 UTC

This scheduled maintenance affects: Global Connectivity (SMS APAC).