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