37002: WhatsApp Voice: Calling is not enabled on the business number
PROGRAMMABLE VOICE
ERROR
The business-initiated WhatsApp call failed because WhatsApp Business Calling is not enabled on the From number. The From number of the business-initiated call should be your WhatsApp sender with the WhatsApp Business Calling enabled.
WhatsApp Business Calling is not enabled on the From number.
Configure your sender for WhatsApp Business Calling. Please see how to configure your sender for WhatsApp Business Calling for details.