Outage in Twilio

SMS Delivery Report Delays to Algar Telecom (CTBC) in Brazil

Resolved Minor
August 20, 2025 - Started about 2 months ago - Lasted 5 days
Official incident page

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Outage Details

Our monitoring systems have detected a potential issue with SMS delivery report delays. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
Components affected
Twilio SMS, Latin America
Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 08/25/2025 02:29PM

We are no longer experiencing delivery report delays when sending messages to Algar Telecom (CTBC) in Brazil. This incident has been resolved.

MONITORING about 1 month ago - at 08/24/2025 02:29PM

We are observing successful SMS delivery reports when sending messages to Algar Telecom (CTBC) in Brazil. We will continue monitoring the service to ensure a full recovery. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 08/24/2025 12:46PM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 1 month ago - at 08/24/2025 11:05AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 1 month ago - at 08/24/2025 10:07AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hours or as soon as more information becomes available.

MONITORING about 1 month ago - at 08/24/2025 08:09AM

We are observing successful SMS delivery reports when sending messages to Algar Telecom (CTBC) in Brazil. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

MONITORING about 1 month ago - at 08/24/2025 06:19AM

We are observing successful SMS delivery reports when sending messages to Algar Telecom (CTBC) in Brazil. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 08/24/2025 06:14AM

We are continuing to experience SMS delivery report delays when sending messages to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/24/2025 05:14AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/24/2025 02:53AM

We are observing successful SMS delivery reports when sending messages to Algar Telecom (CTBC) in Brazil. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 2 months ago - at 08/24/2025 12:03AM

We are continuing to experience SMS delivery report delays when sending messages to Algar Telecom (CTBC) in Brazil. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING about 2 months ago - at 08/23/2025 08:03AM

We are continuing to experience SMS delivery report delays when sending messages to Algar Telecom (CTBC) in Brazil. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

INVESTIGATING about 2 months ago - at 08/23/2025 12:12AM

We are continuing to experience SMS delivery report delays when sending messages to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/22/2025 08:12PM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/22/2025 05:55PM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/22/2025 04:57PM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/22/2025 01:10PM

Our engineers are observing recovery and will continue to monitor for any delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING about 2 months ago - at 08/22/2025 11:06AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/22/2025 09:16AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/22/2025 08:34AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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.

INVESTIGATING about 2 months ago - at 08/22/2025 07:14AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/21/2025 12:59PM

Our engineers are observing recovery and will continue to monitor for any delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. We expect to provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING about 2 months ago - at 08/21/2025 06:42AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING about 2 months ago - at 08/21/2025 02:55AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/21/2025 01:03AM

We are still experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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 about 2 months ago - at 08/21/2025 12:02AM

We are experiencing delays in receiving message delivery reports when sending to Algar Telecom (CTBC) in Brazil. 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.

INVESTIGATING about 2 months ago - at 08/20/2025 11:57PM

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

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