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)(huì)議_____，集成開發(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)___________________，金笛短信