China Telecom fully utilizes the advantages of the existing Tianyi cloud resources, deploys a 5G core network with a multi-vendor decoupling architecture, solves the problem of more than 50 hardware and software interoperability of different manufacturers, accelerates the deep integration of cloud networks, and forms a new generation of cloud-based intelligent networks. At the same time, the EPC, IMS and base station upgrades on the live network and the 4G/5G interoperation based on the N26 interface are completed.HuaweiIt has realized 5G high-definition voice with ZTE, and fully utilized the advantages of 5G technology and rationally utilized 4G investment on the basis of ensuring business capability and user perception. China Telecom has innovatively proposed and implemented the 4G/5G user data migration solution (IT+HSS Proxy [database agent]) combined with IT migration and HSS (database) proxy query, and supports user data migration of different vendors' 4G/5G networks one by one. Realize the 5G SA business without changing the card.
The 5G SA end-to-end network deployment and full service flow are important milestones for China Telecom to promote 5G SA deployment and the most critical basis for 5G SA commercialization. Recently, China Telecom will continue to promote cross-province roaming of 5G SA, realize the edge computing and network slice management capabilities, and vigorously promote the “cloud reform” to create a unified architecture and unified management of Tianyi Cloud to further accelerate the full commercialization of 5G SA.