12月8日，嘉宾在中国移动四川公司4G网络开通仪式上拨打高清视频电话。当日，拥有5000万用户的中国移动四川公司开通4G（TD-LTE）网络，标志着四川迈入全新的信息高速时代。TD-LTE是我国主导的第四代移动通信技术。四川移动预计到2013年底，在四川建设TD-LTE基站1.5万个，网络覆盖21个市州的主要城区。新华社发（龚雅丽 摄）     On August 12,Guests in the China mobile company in sichuan province 4 g networks opening ceremony high-definition video phone call.the,Has 50 million users in sichuan China mobile company opened 4 g(TD - LTE)network,Marks the sichuan entering a new era of high speed information.TD - LTE is China's leading the fourth generation of mobile communication technology.Sichuan mobile is expected by the end of 2013,In sichuan construction TD - LTE base station 15000,Network coverage and a city and state of the main urban area.The xinhua news agency hair(GongYaLi perturbation)