'Call to specified target users.'

def send_message(self, message='', **kwargs):

    from twilio import TwilioRestException
    targets = kwargs.get(ATTR_TARGET)
    if (not targets):
        _LOGGER.info('At    least    1    target    is    required')
        return
    if message.startswith(('http://', 'https://')):
        twimlet_url = message
    else:
        twimlet_url = 'http://twimlets.com/message?Message='
        twimlet_url += urllib.parse.quote(message, safe='')
    for target in targets:
        try:
            self.client.calls.create(to=target, url=twimlet_url, from_=self.from_number)
        except TwilioRestException as exc:
            _LOGGER.error(exc)
