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