キーワード: 即時(shí)(shí)(shí)(shí)(shí)通訊_________________________，企業(yè)(yè)(yè)(yè)(yè)(yè)(yè)(yè)(yè)(yè)溝通____________________，龍笛即時(shí)(shí)(shí)(shí)(shí)通______________________，視頻會(huì)(huì)(huì)(huì)(huì)議___________，集成開(kāi)發(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)(fā)___________________________，金笛短信