摘要：世界各地的虚拟VoIP运营商正在遭受到富有竞争力的强大对手的挑战，它们能够即时调整经营策略以渡过难关吗？
关键词：voip 运营商 业务定位 虚拟 调整
单位：
注：因版权方要求，不能公开全文，如需全文，请咨询杂志社
相关期刊
Journal of Ocean University of China Biomedical and Environmental Sciences Journal of Environmental Sciences Chinese Journal of Integrative Medicine Journal of Systematics and Evolution Journal of Wuhan University of Technology Journal of Integrative Plant Biology Journal of Integrative Agriculture Journal of Zhejiang University Science B Earthquake Engineering and Engineering Vibration
购物车(0)