code: def send_sms(phone: str, message: str, sender: str='', **kw):
      
      if not hasattr(settings, 'SMS_TOKEN'):
          raise Exception('Invalid configuration: settings.SMS_TOKEN missing')
      if not sender:
          sender = settings.SMS_SENDER_NAME
      if not sender:
          raise Exception('Invalid configuration: settings.SMS_SENDER_NAME missing')
      headers = {
          'Content-Type': 'application/json',
          'Authorization': 'Token ' + settings.SMS_TOKEN,
      }
      data = {
          'dst': phone_filter(phone),
          'msg': message,
          'src': sender,
      }
      for k, v in kw.items():
          data[k] = v
      return requests.post("https://sms.kajala.com/api/sms/", json=data, headers=headers)
docs: Sends SMS via Kajala Group SMS API. Contact info@kajala.com for access.
      :param phone: Phone number
      :param message: Message to be esnd
      :param sender: Sender (max 11 characters)
      :param kw: Variable key-value pairs to be sent to SMS API
      :return: Response from requests.post