The following table lists the HTTP status codes that are used by the Call Setup API to denote the success or failure of a request made to the Call Setup API:
HTTP Status Code and Text | Usage |
|---|---|
200 OK | The request was successful. |
400 Bad Request | Invalid contextual information passed for the request. For example: Invalid call delay period. Invalid user extension. |
403 Forbidden | The server understood the request but is refusing to fulfil it. For example: Pre‐call authorization failed Unable to end a call that is already ending. |
404 Not Found | Resource is not accessible. For example: Badly formed request URI. A resource identified in the URI is invalid or does not exist. For example: version, contact ID, phone number, session token Call could not be started. Call session does not exist (or has gone away). |
405 Method Not Allowed | HTTP method is not supported for the request. |
