IPTV 的出现正引发一场新的媒体变革。它不仅为传统的电视业务提供了新的传播方式和服务手段,也为电信部门进入视频业务领域开辟了突破口。IPTV 打破了广电与电信之间的技术界限,促进了两大部门业务的融合。IPTV 还处在发展的初级阶段。如何从国家层面、行业角度、用户需求等方面综合考虑 IPTV 的管理与发展,还需要更深入的研究与思考。手机作为媒体的延伸,除了具有手机传播的各种优势外,还成为携带方便,能随时随地使用的媒体。手机作为媒体打破了地域、时间和电脑终端设备的限制,可以随时随地接收文字、图片、声音等各类信息,实现了用户与信息的同步。 The advent of IPTV is leading to a new media revolution. It not only provides a new mode of transmission and service means for the traditional television business, but also opens up a breakthrough for the telecommunications sector to enter the field of video services. IPTV broke the technical boundaries between broadcasting and telecommunications and promoted the integration of the two departments. IPTV is still in its infancy. How to comprehensively consider the management and development of IPTV from the aspect of country level, industry and user’s needs still needs more research and thinking. Mobile phones as an extension of the media, in addition to a variety of mobile phone communications advantages, but also become easy to carry, anytime, anywhere media. As a medium, mobile phones break the limitation of geographical area, time and computer terminal equipment, and can receive texts, pictures, sounds and other information anytime and anywhere, and realize the synchronization of users and information.