Mot-clefs : 即時(shí)(shí)通訊______________，企業(yè)(yè)(yè)(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)(fā)(fā)(fā)__________________，金笛短信