# Twilio: SMS Delivery Issues for a Subset of Customers in Iran

> Twilio status incident “SMS Delivery Issues for a Subset of Customers in Iran” on 2021-09-06: impact none (vendor’s label), 20 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/5yvm2dkyl599
Last updated: 2021-09-06T17:29:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2021-09-06 17:09 UTC · Resolved: 2021-09-06 17:29 UTC · Duration: 20 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/5yvm2dkyl599](https://status.twilio.com/incidents/5yvm2dkyl599)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-09-06 17:29 UTC: We have fully investigated the SMS delivery issues to Iran Rightel network, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: none) posted by Twilio, started 2021-09-06 17:09 UTC, resolved after 20 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/5yvm2dkyl599
- Citation: Twilio, “SMS Delivery Issues for a Subset of Customers in Iran” (2021-09-06 17:09 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/5yvm2dkyl599 (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Issues for a Subset of Customers in Iran (2021-09-06)](https://rewindex.com/company/twilio/incidents/5yvm2dkyl599)`


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Canonical: https://rewindex.com/company/twilio/incidents/5yvm2dkyl599 · Markdown: https://rewindex.com/company/twilio/incidents/5yvm2dkyl599.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/5yvm2dkyl599 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T18:34:13.196Z