Voice Call Failures From a Subset of Twilio Phone Numbers to Argentina

What to do

• Check whether you use Twilio Voice, Latin America. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 19h 41m it lasted.

  Anything that failed between 2026-10-27 22:28 UTC and 2026-10-28 18:09 UTC may need a replay.

• Subscribe to Twilio's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=twilio works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Twilio 10

1. investigatingOct 27, 2026, 10:28 PM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

   provider

2. investigatingOct 27, 2026, 11:28 PM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

   provider

3. investigatingOct 28, 2026, 1:29 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

   provider

4. investigatingOct 28, 2026, 5:29 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.

   provider

5. identifiedOct 28, 2026, 6:57 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

   provider

6. identifiedOct 28, 2026, 8:03 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

   provider

7. identifiedOct 28, 2026, 10:04 AM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

   provider

8. identifiedOct 28, 2026, 2:16 PM UTC

   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

   provider

9. monitoringOct 28, 2026, 5:10 PM UTC

   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Argentina and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

   provider

10. resolvedOct 28, 2026, 6:09 PM UTC

    The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in Argentina are operating normally.

    provider

Corrections

None so far.

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