POST /fax/v5 HTTP/1.1 
Content-Type: "application/json; charset=utf-8"
Content-Length: length
x-ch-execution-time: 0
x-ch-activity-id: "ACTIVITY IDENTIFIER RETURNED"

{
    "GetFaxAccountSettingsResponse": {
        "return": false,
        "AccountInfo": {
            "DefaultCSID": "",
            "SendDeliveryConfirmation": 0
        },
        "WSError": {
            "ErrorCode": 0,
            "ErrorString": ""
        }
    }
}