POST
/realtime/calls/{call_id}/rejectReject call
Decline an incoming SIP call by returning a SIP status code to the caller.
- RetriesRetries up to 2×, 500ms backoff, 30s timeout.
call_idstringrequired
The identifier for the call provided in the
[`realtime.call.incoming`](https://developers.openai.com/api/reference/resources/webhooks#realtime.call.incoming)
webhook.
Provide an optional SIP status code. When omitted the API responds with
603 Decline.
status_codeintegeroptional
SIP response code to send back to the caller. Defaults to `603` (Decline)
when omitted.
200Call rejected successfully.