Mot-clefs : 即時(shí)(shí)通訊________________________________，企業(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)________________________，金笛短信