Mot-clefs : 即時(shí)(shí)通訊____________________，企業(yè)(yè)(yè)(yè)(yè)(yè)(yè)溝通_______，龍笛即時(shí)(shí)通____________，視頻會(huì)議______________，集成開發(fā)(fā)(fā)(fā)(fā)(fā)(fā)_____________________，金笛短信