Mot-clefs : 即時(shí)通訊______________________，企業(yè)(yè)(yè)(yè)(yè)(yè)(yè)溝通_____________，龍笛即時(shí)通_______________________，視頻會議_____，集成開發(fā)(fā)(fā)(fā)(fā)(fā)(fā)____________，金笛短信