# SendGrid: SMS Delivery Delays and Failures from Twilio to Zamtel Zambia

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-10-10 07:03 UTC · Resolved: 2026-10-10 13:22 UTC · Duration: 6.3 h
- Updates: 5 · Affected components: CARRIER NETWORK - SMS, Middle East & Africa, SMS, Middle East & Africa
- [Vendor status page: https://stspg.io/yy1trcl3ylhn](https://stspg.io/yy1trcl3ylhn)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)

## Timeline of updates

- **investigating** 2026-10-10 07:03 UTC: Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- **investigating** 2026-10-10 08:03 UTC: Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- **investigating** 2026-10-10 10:04 UTC: Twilio customers may be experiencing SMS delivery delays and failures from Twilio to Zamtel network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.
- **monitoring** 2026-10-10 11:19 UTC: We have observed a recovery in SMS delivery from Twilio to Zamtel network subscribers in Zambia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- **resolved** 2026-10-10 13:22 UTC: The incident has been resolved and SMS delivery from Twilio to Zamtel network subscribers in Zambia is operating normally.


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Canonical: https://rewindex.com/company/sendgrid/incidents/psxknfmjrzt8 · Markdown: https://rewindex.com/company/sendgrid/incidents/psxknfmjrzt8.md · JSON: https://rewindex.com/api/v1/companies/sendgrid/incidents/psxknfmjrzt8 · Generated 2026-10-18T10:35:53.685Z