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