Outage in LiveKit
SIP INVITE requests unacknowledged in the EU
Resolved MinorIncident Report
We are investigating reports of SIP INVITE requests not receiving responses in some EU regions. The impact appears to be very low. We will provide further details as they become available.
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Latest Updates ( sorted recent to last )
RESOLVED
3 months ago - at 01/28/2026 09:45PM
This incident has been resolved. We will share a postmortem shortly.
MONITORING
3 months ago - at 01/28/2026 08:22PM
A fix has been deployed and we are monitoring the results.
IDENTIFIED
3 months ago - at 01/28/2026 08:09PM
We have identified the source of the issue and are deploying a fix.
INVESTIGATING
3 months ago - at 01/28/2026 07:46PM
This issue is affecting customers sending UDP SIP traffic that exceeds the standard SIP MTU size. Switching to TCP is an immediate way to mitigate the problem.
INVESTIGATING
3 months ago - at 01/28/2026 07:32PM
We are continuing to investigate this issue.
MONITORING
3 months ago - at 01/28/2026 05:50PM
We identified an issue in the UK related to inbound calls with large UDP INVITE messages that exceed the MTU. This affected 0.04% of inbound calls in the region. We have updated a configuration for handling fragmented packets in that cluster, and the issue was mitigated as of 16:10 UTC.
The impact was limited to the UK; this issue was not observed in other clusters.
INVESTIGATING
3 months ago - at 01/28/2026 04:45PM
We are investigating reports of SIP INVITE requests not receiving responses in some EU regions. The impact appears to be very low. We will provide further details as they become available.
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