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Home subscriber server (HSS)

Unified solution for subscriber access management

The new Nokia Registers is the evolution of our industry leading Nokia HSS solution and includes all functionalities of HLR/HSS/UDM/AUSF. Using advanced capabilities of Nokia user data repositories (One-NDS / SDL), Nokia Registers solution enables subscriber data to be consolidated into a common repository using a distributed and flexible architecture.

Most operators today have to deal with different technologies in their networks, be they fixed, mobile, 2G, 3G, 4G, 5G or WiFi networks. They need to manage subscribers’ data and authentication in a flexible way across all these technologies, while also delivering a high-quality of service to their subscribers and ensuring quick and smooth introduction of new and innovative services.

The Nokia Registers solution supports management of 2G, 3G, 4G, 5G, IoT and fixed networks in a unified and extremely scalable approach that decouples subscriber data administration from HLR/HSS/UDM/AUSF functions.

The Nokia Registers is a powerful solution for multi-technology network subscriber data and service management, is ready for evolution to 5G and upcoming next generation networks.



Nokia Registers combines UDM & AUSF functions for 5G, the HSS function for LTE and IMS and the HLR/AuC function for 2G/3G into one unified solution

Nokia HLR and Authentication Center functions for 2G/3G subscriber access and data management


UDM and AUSF functions enable a standards compliant data management solution for 5G subscribers

IMS HSS provides a subscriber data management solution for IMS-based networks

Nokia Registers is a cloud-native solution providing a flexible architecture that allows you to choose your deployment scenario

Subscriber Profile Repository (SPR) supports the centralization of third-party Policy and Charging Rules Functions (PCRF) data into the geo-redundant, highly scalable One-NDS

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