Mot-clefs : 即時(shí)通訊_______________________，企業(yè)(yè)(yè)(yè)(yè)(yè)(yè)(yè)溝通_______________，龍笛即時(shí)通_____________________，視頻會議_______________________，集成開發(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)___________________，金笛短信