# Scheduled maintenance on SIP outbound dialing infrastructure, US region

- Provider: [Vapi](https://down.guide/vapi)
- Level: confirmed
- Impact: Maintenance
- lasted 11m
- started 2026-10-08 04:00 UTC
- SIP Outbound
- us
- id: DWN-7cf2fc9962
- Official page: https://status.vapi.ai/incidents/1084518

## Updates from Vapi
### 2026-10-08 04:00 UTC: update
Status: Scheduled
What is affected: We will apply a software patch to the web server/API that controls outbound dialing through our US SIP infrastructure.
When: Tonight, Wednesday, October 7, 21:00–21:15 PT (04:00–04:15 UTC, Thursday, October 8).
What to expect: Non-Campaign Outbound calls may briefly stall or fail to connect during the patch over a 5-10 minute period. We will validate for the remainder of the window to confirm calls are connecting normally and update this page when connectivity returns and maintenance is complete.
Action needed: None.

### 2026-10-08 04:10 UTC: update
The patch to the outbound server was applied and tested in approximately 5 minutes with no downtime. We will continue monitoring over the next few hours.

### 2026-10-08 04:10 UTC: update
Maintenance ended

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