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