问“呼叫会议室”接口的调用链接是什么呢？

def get_headers(uri, httpMethod, requestBody):
    if requestBody is None:
        requestBody = ""
    else:
        requestBody = json.dumps(requestBody)
    todyTime = str(int(time.time()))
    nonce = str(int(random.random() * 10000))
    signature = sign(secretId=SecretID, secretKey=SecretKey, httpMethod=httpMethod, headerNonce=nonce,
                     headerTimestamp=todyTime, requestUri=uri, requestBody=requestBody)
    headers = {
        "X-TC-Key": SecretID,
        "X-TC-Timestamp": todyTime,
        "X-TC-Nonce": nonce,
        "X-TC-Signature": signature,
        "AppId": AppId,
        "SdkId": SdkId,
        "X-TC-Registered": "1"
    }
    return headers
    
def put_for_tencent_meeting_api(uri: str, request_body: dict):
    headers = get_headers(uri, "PUT", request_body)
    url = "https://api.meeting.qq.com" + uri
    res = requests.put(url=url, headers=headers, params=request_body)
    return res
    
def room_call(operator_id, meeting_id, meeting_room_id):
    "https://cloud.tencent.com/document/product/1095/83261"
    uri = "/v1/meeting-rooms/room-call"
    request_body = {
        "operator_id": operator_id,
        "operator_id_type": 1,
        "meeting_room_id": meeting_room_id,
        "meeting_id": meeting_id,
    }
    res = put_for_tencent_meeting_api(uri=uri, request_body=request_body)
    print(res)
    print(res.text)

<Response [400]>
{"error_info":{"error_code":200003,"new_error_code":200200003,"message":"API调用签名验证错误。"}}