Palavra chave: 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