Outage in Twilio

SMS Delivery Delays and Failures to Celcom in Guinea

Resolved Minor

August 29, 2025 - Started 7 months ago - Lasted about 20 hours
Official incident page

Incident Report

We are experiencing SMS delivery delays and failures when sending messages to Celcom in Guinea. 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, Middle East & Africa

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Latest Updates ( sorted recent to last )

RESOLVED 7 months ago - at 08/30/2025 07:35AM

We are no longer experiencing SMS delivery delays when sending messages to Celcom network in Guinea. This incident has been resolved.

MONITORING 7 months ago - at 08/30/2025 06:06AM

We are observing recovery in SMS delivery delays and failures when sending messages to Celcom in Guinea. 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 7 months ago - at 08/29/2025 11:23PM

We still are experiencing SMS delivery delays and failures when sending messages to Celcom in Guinea. 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 7 months ago - at 08/29/2025 07:23PM

We still are experiencing SMS delivery delays and failures when sending messages to Celcom in Guinea. 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 7 months ago - at 08/29/2025 05:23PM

We still are experiencing SMS delivery delays and failures when sending messages to Celcom in Guinea. 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 7 months ago - at 08/29/2025 04:26PM

We still are experiencing SMS delivery delays and failures when sending messages to Celcom in Guinea. 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.

MONITORING 7 months ago - at 08/29/2025 02:44PM

INVESTIGATING 7 months ago - at 08/29/2025 12:47PM

We are experiencing SMS delivery delays and failures when sending messages to Celcom in Guinea. 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 7 months ago - at 08/29/2025 11:47AM

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