def get(self):			
			key = self.get_argument('Digits', None, True)
			phone_number = self.get_argument('From', None, True)

			response = self.application.on_key_pressed(key, num_to_hash(phone_number, NUM_SALT))
			logging.debug(str(response))

			self.finish(str(response))
	def on_pick_up(self, phone_number):
		if self.in_master_blacklist(phone_number):
			return str(self.__twilio_reject())

		# number masking begins once we verify caller is not an abuser.
		session_id = num_to_hash(phone_number, NUM_SALT)

		if self.daily_calls_exceeded(session_id):
			return str(self.__twilio_reject())

		self.db.delete(session_id)
		return str(self.route_next(session_id, init=True))