# Twilio: SMS Delivery Failures to Kazakhstan Tele2

> Twilio status incident “SMS Delivery Failures to Kazakhstan Tele2” on 2021-11-09: impact minor (vendor’s label), 6.0 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/sb6dx4gxw0c3
Last updated: 2021-11-10T04:45:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-11-09 22:42 UTC · Resolved: 2021-11-10 04:45 UTC · Duration: 6.0 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/sb6dx4gxw0c3](https://status.twilio.com/incidents/sb6dx4gxw0c3)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-11-10 04:45 UTC: We were notified that the SMS delivery failures to the Tele2 network in Kazakhstan are due to SMS send using long code numbers instead of pre-registered Sender ID. We have notified the customers that are sending to Tele2 network in Kazakhstan to pre-register their Sender ID. This incident has been resolved.

_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: minor) posted by Twilio, started 2021-11-09 22:42 UTC, resolved after 6.0 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/sb6dx4gxw0c3
- Citation: Twilio, “SMS Delivery Failures to Kazakhstan Tele2” (2021-11-09 22:42 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/sb6dx4gxw0c3 (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Failures to Kazakhstan Tele2 (2021-11-09)](https://rewindex.com/company/twilio/incidents/sb6dx4gxw0c3)`


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Canonical: https://rewindex.com/company/twilio/incidents/sb6dx4gxw0c3 · Markdown: https://rewindex.com/company/twilio/incidents/sb6dx4gxw0c3.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/sb6dx4gxw0c3 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:05:56.013Z