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Twilio

Voice Call Audio Quality Degradation Between Twilio Phone Numbers and Multiple Networks in United Kingdom

Degraded Lasted 5d 10h · started · Twilio's page

Level
confirmed
Worst impact
Degraded
Components
Voice, Europe
Regions
eu

What to do

  • Check whether you use Twilio Voice, Europe in eu. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 5d 10h it lasted.

    Anything that failed between 2026-05-02 18:00 UTC and 2026-05-08 04:57 UTC may need a replay.
  • Subscribe to Twilio's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=twilio works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Twilio 24

  1. investigating

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

    provider

  2. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    provider

  3. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

    provider

  4. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks 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.

    provider

  5. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    provider

  6. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

    provider

  7. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

    provider

  8. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

    provider

  9. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

    provider

  10. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks 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.

    provider

  11. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks 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.

    provider

  12. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

    provider

  13. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

    provider

  14. identified

    Twilio customers may be experiencing voice call audio quality degradation from Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

    provider

  15. identified

    Twilio customers may be experiencing voice call silent audio from network subscribers to a Subset of Twilio United Kingdom numbers . Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

    provider

  16. identified

    Twilio customers may be experiencing voice call silent audio from network subscribers to a Subset of Twilio United Kingdom numbers . Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

    provider

  17. identified

    Twilio customers may be experiencing voice call silent audio from network subscribers to a Subset of Twilio United Kingdom numbers. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

    provider

  18. identified

    Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

    provider

  19. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks 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.

    provider

  20. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks 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.

    provider

  21. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

    provider

  22. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

    provider

  23. monitoring

    We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

    provider

  24. resolved

    The incident has been resolved and voice calls between Twilio Phone Numbers and network subscribers on affected networks in the United Kingdom are operating normally.

    provider

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Corrections

None so far.

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Questions about DWN-0bb6b68c4e

Is Twilio still down?

No, this incident was resolved 2026-05-08 04:57 UTC. For Twilio's live state, see https://down.guide/twilio.

How long did it last?

5d 10h, from 2026-05-02 18:00 UTC to 2026-05-08 04:57 UTC, by the times Twilio posted.

What was affected?

Twilio named Voice, Europe in eu.

What caused it?

Twilio hasn't published a root cause. If it does, it shows here.

Where does this come from?

Twilio's official status page, https://status.twilio.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.