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Vonage: Taiwan SMS - Pre-Registered brands delivery degradation towards all networks

Affected components: Global Connectivity - SMS APACSMS APAC

Timeline of updates

1. investigating2026-09-16 20:10 UTC

   We are currently observing SMS delivery degradation for domestic pre-registered traffic towards the Taiwan Mobile network. We are working with our carrier partner to resolve the issue and will issue an update as soon as more information becomes available. If you have any questions, please contact api.support.vonage.com

2. monitoring2026-09-16 21:05 UTC

   Please note that message delivery was not impacted. Only missing delivery reports. A fix has been implemented and we are monitoring the results.

3. resolved2026-09-16 22:07 UTC

   This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Vonage profile · Recent Vonage incidents · Markdown · JSON