It supports convergence of NEs such as GSM HLR, UMTS HLR, HLRe, EIR, MNP, FNR, IMS HSS, EPC HSS, 5G UDM, 5G AUSF, SLF, AAA, FLR, ENUM and DSC, and implements unified management of 2/3/4/5G/IMS subscriber data. It supports unified mobility management, unified policy management and unified signaling routing under multi-access and multi-network, helping the carrier simplify the network and improve the operational efficiency.