ElevenLabs: SIP call failures

Impact: majorStatus: resolvedStarted 2026-07-31 00:45 UTCResolved 2026-07-31 19:00 UTC (18 h)10 updatesSource: status.elevenlabs.io

Summary

ElevenLabs reported a major SIP outage affecting calls to some numbers imported into the Agent Platform, starting 2026-07-31 00:45 UTC and lasting 18 h 15 min. The vendor cited infrastructure resource constraints as a likely contributor; remaining failures affected the US region. Mitigation returned failure rates to baseline, and the incident was resolved at 2026-07-31 19:00 UTC.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: TelephonyTelephony

Timeline of updates

investigating2026-07-31 03:08 UTC
Starting at ~1:00 UTC, calls to a portion of phone numbers imported into the ElevenLabs Agent Platform are failing. We are currently working to isolate the root cause and restore full functionality.
identified2026-07-31 04:00 UTC
We've identified a likely contributing factor related to infrastructure resource constraints affecting SIP call routing. We're currently validating a fix.
resolved2026-07-31 05:29 UTC
The issue has been resolved. Call routing is now fully restored, and we're assessing follow-ups to improve proactive alerting and prevent recurrence.
investigating2026-07-31 06:18 UTC
Following the earlier fix, we're seeing renewed inbound call routing failures for a portion of phone numbers. We're currently investigating.
identified2026-07-31 09:06 UTC
Our team has identified a potential cause of the call outages and is currently validating a fix. We will share further updates as soon as we have more information.
identified2026-07-31 11:12 UTC
Calls should be back to normal for the EU and India residencies. The US residency may still experience some downtime, but our team is working to resolve the issue. In the meantime, the immediate workaround is to remove the affected number and re-add it, if possible.
identified2026-07-31 13:01 UTC
Our team is still actively working to restore all calls and phone numbers to their normal working state.
identified2026-07-31 14:33 UTC
We have identified the root cause of the failed SIP calls and prepared a fix.
identified2026-07-31 18:02 UTC
Our engineers are putting together a targeted fix to resolve the remaining SIP failures in the US region.
resolved2026-07-31 19:00 UTC
After our recent mitigation steps, our engineers have traced SIP call failure rate as it has returned to baseline. We will publish a complete root cause analysis shortly.

Rewindex changes for this incident

Major incident: SIP call failures 2026-07-31 00:45 UTC

Impact, status and times are the vendor’s own, as last archived. View on status.elevenlabs.io (opens in new tab). ElevenLabs profile · Recent ElevenLabs incidents · Markdown · JSON