關鍵字: 即時(shí)(shí)通訊___________，企業(yè)(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)(fā)_______________，金笛短信