Mot-clefs : 即時(shí)(shí)(shí)(shí)通訊________，企業(yè)(yè)(yè)(yè)(yè)(yè)溝通，龍笛即時(shí)(shí)(shí)(shí)通_________________，視頻會(huì)(huì)(huì)(huì)議________，集成開(kāi)(kāi)(kāi)發(fā)(fā)(fā)(fā)(fā)(fā)_______________，金笛短信