Current answer
Vapi experienced a minor incident: SIP Server downtime. Resolved on Oct 6, 2026.
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Incident Lifecycle
Affected Components
Vapi SIP
SIP Outbound
Incident Timeline
Resolved
There will be reactive maintenance on SIP outbound dialing infrastructure, US region
Status: Scheduled
What is affected: Our SIP infrastructure provider will upgrade the web server/API that controls outbound dialing, as part of remediating the root cause of today's incident. Inbound calls are not affected.
When: Tuesday, October 6, 21:00–21:15 PT (04:00–04:15 UTC, Oct 7)
What to expect: This work is not expected to be customer-impacting or noticeable. Outbound calls may briefly stall during the window; any impact should last less than 10 minutes.
Action needed: None
Status: Scheduled
What is affected: Our SIP infrastructure provider will upgrade the web server/API that controls outbound dialing, as part of remediating the root cause of today's incident. Inbound calls are not affected.
When: Tuesday, October 6, 21:00–21:15 PT (04:00–04:15 UTC, Oct 7)
What to expect: This work is not expected to be customer-impacting or noticeable. Outbound calls may briefly stall during the window; any impact should last less than 10 minutes.
Action needed: None
Oct 7, 2026 at 12:09 AM UTC
Resolved
The root cause has been identified, and the issue has been resolved, with downtime experienced between 1:55 and ending at 2:07
Oct 6, 2026 at 9:29 PM UTC
Investigating
Outbound SIP Server downtime from 1:55 to 2:07, impacting outbound calls and call transfers. Currently seeing recovery, and the team is monitoring closely.
Oct 6, 2026 at 9:04 PM UTC
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