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