ZXUN USPP (Universal Subscriber Profile Platform) provides a perfect UDC/SDM Solution which realizes the centralized management of the subscriber data and service data, and provides unified data portal and open interfaces. Serving as the unified subscriber data management center in core network, ZXUN USPP manages the subscription data of HLR, HLRe, EIR, MNP, FNR, EPC HSS, IMS HSS, SLF, SPR, AAA, etc., and provides relative NE functions. It implements unified management of 2G / 3G / 4G / VoLTE / VoWIFI users and service data. And it supports unified mobility management, unified signaling routing and unified policy control in multi-access and multi-network to help operators simplify the network and improve operational efficiency. ZTE data convergence solution has been deployed in more than 100 countries and regions, saving TCO for carriers, and enhancing the communication experience for end users.