Mot-clefs : 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