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