On April 12, China Mobile successfully made the first 5G call through 5G mobile phone on Beijing 5G experimental network. This call uses the NSA core network and IMS network upgraded by the current 4G network to realize the communication between 5G mobile phones without changing cards or numbers, and the voice quality of 5G voice calls is clear. On the evening of April 9, China Mobile Beijing completed the upgrade of NSA version of its core network equipment. After the upgrade, the core network and IMS network have 5G functions, fully supporting the access of 5G terminals. On April 12, China Mobile Beijing successfully dialed its first 5G phone.

　　In December last year, the Ministry of Industry and Information Technology officially approved the 5G test bands of the three major operators. China Mobile has been approved the 2.6GHz and 4.9GHz test bands, which will rapidly promote the maturity of the industry in two bands, including network and terminal. This will make China Mobile face new challenges. This time, China Mobile in Beijing through the 2.6GHz 5G network environment, to achieve end-to-end 5G mobile phone calls, marking China Mobile in Beijing's 5G business application level, has entered a new stage.

　　China Mobile has been fully promoting 5G technology test and application demonstration in Beijing. This end-to-end 5G mobile phone call is a key milestone since the 5G test work of China Mobile Beijing Company. Earlier, China Mobile Beijing Company has completed the first domestic 5G autopilot demonstration area, undertook the "5G autopilot summit" business demonstration task, completed the world's first 5G + real 4K sports event live broadcast (Migu CBA), completed the 5G network-based UAV vision. Frequently demonstrate business.

　　Looking forward to the future, as the pioneer of 5G business development, China Mobile Beijing Company undertakes five kinds of 5G business pilot projects of the Development and Reform Commission, and continues to explore the application prospects of 5G in many industries such as HD live broadcasting, medical treatment, UAV, autopilot, safe campus, etc., so as to move forward, realize the rapid promotion of 5G network commerce and open a new era of 5G.