# SendGrid: Voice Call Failures From Network Subscribers to a Subset of Twilio Thailand Phone Numbers

- Impact (vendor’s label): minor
- Status: identified · edited after publishing
- Started: 2026-10-20 02:05 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 3 · Affected components: CARRIER NETWORK - Voice, APAC, Voice, APAC
- [Vendor status page: https://stspg.io/lsjdtr9mbvkw](https://stspg.io/lsjdtr9mbvkw)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)

## Timeline of updates

- **investigating** 2026-10-20 02:05 UTC: Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- **identified** 2026-10-20 02:06 UTC: Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. 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.
- **identified** 2026-10-20 03:12 UTC: Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. 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.

## Rewindex changes for this incident

- 2026-10-20 03:13 UTC: [Incident updated: Voice Call Failures From Network Subscribers to a Subset of Twilio Thailand Phone Numbers](https://rewindex.com/change/r6212097a1b1e4c.md)


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Canonical: https://rewindex.com/company/sendgrid/incidents/wnl9z6s2h5l3 · Markdown: https://rewindex.com/company/sendgrid/incidents/wnl9z6s2h5l3.md · JSON: https://rewindex.com/api/v1/companies/sendgrid/incidents/wnl9z6s2h5l3 · Generated 2026-10-20T04:32:56.470Z