# Twilio: SMPP Connection Failure Affecting Registered Sender ID Messages to China Over Multiple Networks

> Twilio status incident “SMPP Connection Failure Affecting Registered Sender ID Messages to China Over Multiple Networks” on 2021-05-02: impact minor (vendor’s label), 1.9 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/w9w9hfr6zp73
Last updated: 2021-05-02T17:38:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-05-02 15:44 UTC · Resolved: 2021-05-02 17:38 UTC · Duration: 1.9 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/w9w9hfr6zp73](https://status.twilio.com/incidents/w9w9hfr6zp73)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-05-02 17:38 UTC: 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 2021-05-02 15:44 UTC, resolved after 1.9 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/w9w9hfr6zp73
- Citation: Twilio, “SMPP Connection Failure Affecting Registered Sender ID Messages to China Over Multiple Networks” (2021-05-02 15:44 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/w9w9hfr6zp73 (CC BY 4.0).
- Markdown link: `[Twilio: SMPP Connection Failure Affecting Registered Sender ID Messages to China Over Multiple Networks (2021-05-02)](https://rewindex.com/company/twilio/incidents/w9w9hfr6zp73)`


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Canonical: https://rewindex.com/company/twilio/incidents/w9w9hfr6zp73 · Markdown: https://rewindex.com/company/twilio/incidents/w9w9hfr6zp73.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/w9w9hfr6zp73 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:11:51.439Z