# Twilio: Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-10-11 05:17 UTC · Resolved: 2026-10-11 11:59 UTC · Duration: 6.7 h
- Updates: 4 · Affected components: CARRIER NETWORK - Verify Silent Network Auth, Verify Silent Network Auth
- [Vendor status page: https://stspg.io/4ckm8sj5wn22](https://stspg.io/4ckm8sj5wn22)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **identified** 2026-10-11 05:17 UTC: Twilio customers may be experiencing device verification timeouts during API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom. API transactions may temporarily fail over to secondary methods like SMS OTP. Our team is actively investigating the issue. We will provide another update in 1 hour or as soon as more information becomes available.
- **monitoring** 2026-10-11 05:58 UTC: We have observed the recovery in API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- **monitoring** 2026-10-11 07:58 UTC: We have observed the recovery in API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- **resolved** 2026-10-11 11:59 UTC: The incident has been resolved and API transactions for Silent Network Authentication (SNA) on Vodafone in the United Kingdom are operating normally.


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Canonical: https://rewindex.com/company/twilio/incidents/dh3zfbj63cs8 · Markdown: https://rewindex.com/company/twilio/incidents/dh3zfbj63cs8.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/dh3zfbj63cs8 · Generated 2026-10-18T13:28:14.398Z