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Twilio

Voice Call Failures and Audio Quality Degradation Between a Subset of Twilio Hong Kong Phone Numbers and Multiple Networks in Hong Kong

Degraded Lasted 3d 4h · started · Twilio's page

Level
confirmed
Worst impact
Degraded
Components
Voice, APAC
Regions
apac

What to do

  • Check whether you use Twilio Voice, APAC in apac. 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 3d 4h it lasted.

    Anything that failed between 2026-08-28 10:33 UTC and 2026-08-31 14:35 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 12

  1. investigating

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. 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. investigating

    Twilio customers may be experiencing voice call failures and audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

    provider

  3. investigating

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

    provider

  4. identified

    Twilio customers may be experiencing voice call failures and audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. 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

  5. identified

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. 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

  6. identified

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Hong Kong Phone Numbers and network subscribers on multiple networks in Hong Kong. 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

  7. identified

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Hong Kong Phone Numbers and network subscribers on multiple networks in Hong Kong. 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

  8. identified

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. 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

  9. identified

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

    provider

  10. identified

    Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

    provider

  11. monitoring

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

    provider

  12. resolved

    The incident has been resolved and voice calls between a subset of Twilio Hong Kong Phone Numbers and network subscribers on affected networks in Hong Kong are operating normally.

    provider

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Corrections

None so far.

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Questions about DWN-410caa8141

Is Twilio still down?

No, this incident was resolved 2026-08-31 14:35 UTC. For Twilio's live state, see https://down.guide/twilio.

How long did it last?

3d 4h, from 2026-08-28 10:33 UTC to 2026-08-31 14:35 UTC, by the times Twilio posted.

What was affected?

Twilio named Voice, APAC in apac.

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.