Outage in Twilio

Delivery report delay to A1 network in Serbia via a subset of Alphanumeric sender ID's

Resolved Minor
April 14, 2025 - Started 5 days ago - Lasted about 7 hours
Official incident page

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Outage Details

We are experiencing SMS delivery delays when sending messages to A1 Network in Serbia Vi. 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, Europe
Latest Updates ( sorted recent to last )
RESOLVED 5 days ago - at 04/15/2025 06:39AM

We are no longer experiencing delivery report delays when sending to A1 Network in Serbia. This incident has been resolved.

MONITORING 5 days ago - at 04/15/2025 04:39AM

We are continuing to observe a recovery in delivery report delays when sending to A1 Network in Serbia Vi. 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.

MONITORING 5 days ago - at 04/15/2025 02:39AM

We are observing recovery in delivery report delays when sending to A1 Network in Serbia Vi. 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 5 days ago - at 04/15/2025 12:39AM

We are experiencing SMS delivery delays when sending messages to A1 Network in Serbia Vi. 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 5 days ago - at 04/14/2025 11:32PM

We are experiencing SMS delivery delays when sending messages to A1 Network in Serbia Vi. 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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