def SMS(self, to, body):
        """
        Quickly send an SMS from a default number. Calls :py:meth:`twilio_SMS`.
        
        * *stored credential name: TWILIO_PHONE_NUMBER*
        
        :param string to: The phone number to send the SMS message to. Full international format.
        :param string body: The content of the SMS message. 
        """
        logging.debug('Texting someone')
        return self.twilio_SMS(self._credentials['TWILIO_PHONE_NUMBER'], to, body)