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SendGrid: Voice Call Post Dial Delay from a Subset of Twilio Toll-Free, Landline, and Mobile Phone Numbers to Multiple Networks in Multiple Countries

Affected components: CARRIER NETWORK - Voice, North AmericaCARRIER NETWORK - Voice, APACCARRIER NETWORK - Voice, Middle East & AfricaCARRIER NETWORK - Voice, EuropeCARRIER NETWORK - Voice, Latin AmericaVoice, Latin America

Timeline of updates

1. investigating2026-10-15 18:27 UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Toll-Free Numbers and Phone Numbers to network subscribers on multiple networks in multiple countries. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

2. identified2026-10-15 18:28 UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Toll-Free Numbers, Landline Numbers, and Mobile Numbers to network subscribers on multiple networks in multiple countries. 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.

3. identified2026-10-15 19:06 UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Toll-Free Numbers, Landline Numbers, and Mobile Numbers to network subscribers on multiple networks in multiple countries. 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.

4. identified2026-10-15 19:07 UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Toll-Free Numbers, Landline Numbers, and Mobile Numbers to network subscribers on multiple networks in multiple countries. 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.

5. identified2026-10-15 19:34 UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Toll-Free, Landline, and Mobile Numbers to network subscribers on multiple networks in multiple countries. 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.

6. monitoring2026-10-15 19:45 UTC

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

7. monitoring2026-10-15 21:52 UTC

   We have observed a recovery in voice calls from a subset of Twilio Toll-Free Numbers, Landline Numbers, and Mobile Numbers to network subscribers on multiple networks in multiple countries and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

8. resolved2026-10-15 22:14 UTC

   The incident has been resolved and voice calls from a subset of Twilio Toll-Free, Landline, and Mobile Phone Numbers to network subscribers on affected networks in multiple countries are operating normally.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). SendGrid profile · Recent SendGrid incidents · Markdown · JSON