Mot-clefs : 即時(shí)(shí)通訊_______________，企業(yè)(yè)(yè)(yè)(yè)(yè)溝通_________，龍笛即時(shí)(shí)通________，視頻會議______，集成開發(fā)(fā)(fā)(fā)(fā)(fā)_______，金笛短信