# Twilio: Programmable Voice Client Affecting Flex calls, SIP Calls and Voice Registrations

> Twilio status incident “Programmable Voice Client Affecting Flex calls, SIP Calls and Voice Registrations” on 2021-08-07: impact minor (vendor’s label), 2.9 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/377tqc33qngz
Last updated: 2021-08-07T03:53:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-08-07 00:58 UTC · Resolved: 2021-08-07 03:53 UTC · Duration: 2.9 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/377tqc33qngz](https://status.twilio.com/incidents/377tqc33qngz)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-08-07 03:53 UTC: We are no longer experiencing intermittent call failures with Twilio Client calls and also failures with Verify. This will include Flex calls, SIP calls, voice registrations for WebRTC Javascript clients. 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 2021-08-07 00:58 UTC, resolved after 2.9 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/377tqc33qngz
- Citation: Twilio, “Programmable Voice Client Affecting Flex calls, SIP Calls and Voice Registrations” (2021-08-07 00:58 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/377tqc33qngz (CC BY 4.0).
- Markdown link: `[Twilio: Programmable Voice Client Affecting Flex calls, SIP Calls and Voice Registrations (2021-08-07)](https://rewindex.com/company/twilio/incidents/377tqc33qngz)`


---
Canonical: https://rewindex.com/company/twilio/incidents/377tqc33qngz · Markdown: https://rewindex.com/company/twilio/incidents/377tqc33qngz.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/377tqc33qngz · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:48:41.366Z