whatsapp.call_already_ongoing

HTTP status	409
Area	WhatsApp (from Meta)
Problem type	https://docs.nexafone.so/errors/whatsapp.call_already_ongoing

What the detail says

The detail explains the occurrence; it can read, for example:

• A call with this contact is already in progress.

Handling it

The current state does not allow this; read it again before retrying.

Example

{
  "type": "https://docs.nexafone.so/errors/whatsapp.call_already_ongoing",
  "title": "Conflict",
  "status": 409,
  "code": "whatsapp.call_already_ongoing",
  "detail": "A call with this contact is already in progress.",
  "requestId": "01J9Z8Q4TQ3W6M5V2X7Y8Z9A0B"
}

Match on code, never on detail: the wording may change. See Problem Details.