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Outage in Twilio

SMS Delivery Report Delays to A1 Network in Bulgaria

Resolved Minor
April 29, 2025 - Started 12 months ago - Lasted about 22 hours
Official incident page

Incident Report

We are experiencing SMS delivery delays when sending messages to A1 network in Bulgaria. 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

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Latest Updates ( sorted recent to last )
RESOLVED 12 months ago - at 04/30/2025 06:28AM

We are no longer experiencing SMS delivery delays and receiving message delivery reports when sending messages to A1 network in Bulgaria. This incident has been resolved.

MONITORING 12 months ago - at 04/30/2025 06:14AM

We are observing recovery in SMS delivery delays and receiving message delivery reports when sending messages to A1 network in Bulgaria. 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 12 months ago - at 04/30/2025 04:13AM

We are observing recovery in SMS delivery delays and receiving message delivery reports when sending messages to A1 network in Bulgaria. 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 12 months ago - at 04/30/2025 12:13AM

We are observing recovery in SMS delivery delays when sending messages to A1 network in Bulgaria. We are still experiencing delays in receiving message delivery reports when sending messages to A1 network in Bulgaria. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING 12 months ago - at 04/29/2025 10:18PM

We are observing recovery in SMS delivery delays when sending messages to A1 network in Bulgaria. We are still experiencing delays in receiving message delivery reports when sending messages to A1 network in Bulgaria. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 12 months ago - at 04/29/2025 09:21PM

We are observing recovery in SMS delivery delays when sending messages to A1 network in Bulgaria. We are now experiencing delays in receiving message delivery reports when sending messages to A1 network in Bulgaria. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

MONITORING 12 months ago - at 04/29/2025 07:31PM

We are observing recovery in SMS delivery delays when sending messages to A1 network in Bulgaria. 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 12 months ago - at 04/29/2025 03:09PM

We continue to experience SMS delivery delays when sending messages to A1 network in Bulgaria. 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 12 months ago - at 04/29/2025 11:31AM

We continue to experience SMS delivery delays when sending messages to A1 network in Bulgaria. 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 12 months ago - at 04/29/2025 09:37AM

We continue to experience SMS delivery delays when sending messages to A1 network in Bulgaria. 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 12 months ago - at 04/29/2025 08:41AM

We are experiencing SMS delivery delays when sending messages to A1 network in Bulgaria. 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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