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Outage in Twilio

SMS Delivery Delays and Failures to Telesystems Network in Ukraine

Resolved Minor
November 15, 2025 - Started 5 months ago - Lasted about 10 hours
Official incident page

Incident Report

We are experiencing SMS delivery delays and failures to Telesystems Network in Ukraine. 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 5 months ago - at 11/15/2025 10:40PM

We are no longer experiencing SMS delivery delays and failures to Telesystems Network in Ukraine. This incident has been resolved.

MONITORING 5 months ago - at 11/15/2025 10:18PM

We are observing recovery in SMS delivery delays and failures to Telesystems Network in Ukraine. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 or as soon as more information becomes available.

MONITORING 5 months ago - at 11/15/2025 08:18PM

We are observing recovery in SMS delivery delays and failures to Telesystems Network in Ukraine. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 or as soon as more information becomes available.

INVESTIGATING 5 months ago - at 11/15/2025 04:18PM

We are experiencing SMS delivery delays and failures to Telesystems Network in Ukraine. 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 5 months ago - at 11/15/2025 02:19PM

We are experiencing SMS delivery delays and failures to Telesystems Network in Ukraine. 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 months ago - at 11/15/2025 01:18PM

We are experiencing SMS delivery delays and failures to Telesystems Network in Ukraine. 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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