[计] point-multipoint message traffic

diǎn dào duō diǎn tōng xìn yè wù ㄉㄧㄢˇ ㄉㄠˋ ㄉㄨㄛ ㄉㄧㄢˇ ㄊㄨㄥ ㄒㄧㄣˋ ㄧㄝˋ ㄨˋ