curl --request GET \
  --url https://api.openmic.ai/h/v2/call/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "from_number": "<string>",
  "to_number": "<string>",
  "call_status": "registered",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "call_type": "phonecall",
  "agent_uid": "<string>",
  "customer_id": "<string>",
  "dynamic_variables": {},
  "callback_url": "<string>"
}