# Twilio: Twilio Voice PSTN and SIP Calls Experiencing Call Quality and Connection Issues

> Twilio status incident “Twilio Voice PSTN and SIP Calls Experiencing Call Quality and Connection Issues” on 2021-09-27: impact minor (vendor’s label), 7.5 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/qstv1z33xr6h
Last updated: 2021-09-28T02:54:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-09-27 19:26 UTC · Resolved: 2021-09-28 02:54 UTC · Duration: 7.5 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/qstv1z33xr6h](https://status.twilio.com/incidents/qstv1z33xr6h)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-09-28 02:54 UTC: Twilio Voice call quality and connection issues have been resolved and are operating normally at this time.

_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 2021-09-27 19:26 UTC, resolved after 7.5 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/qstv1z33xr6h
- Citation: Twilio, “Twilio Voice PSTN and SIP Calls Experiencing Call Quality and Connection Issues” (2021-09-27 19:26 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/qstv1z33xr6h (CC BY 4.0).
- Markdown link: `[Twilio: Twilio Voice PSTN and SIP Calls Experiencing Call Quality and Connection Issues (2021-09-27)](https://rewindex.com/company/twilio/incidents/qstv1z33xr6h)`


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Canonical: https://rewindex.com/company/twilio/incidents/qstv1z33xr6h · Markdown: https://rewindex.com/company/twilio/incidents/qstv1z33xr6h.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/qstv1z33xr6h · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:00:55.311Z