G2

corentin T.

Banquier

Mid-Market (51-1000 emp.)

1/27/2026

"Future-Ready Subscriber Management: From HLR to Flexible, Secure 5G UDM/AUSF"

5/5

What do you like best about 3G/4G/5G HLR/HSS/UDM/AUSF?

What I like most is how subscriber management has evolved: from the simple and reliable HLR in 3G, to the smarter HSS in 4G, and finally to the flexible and secure UDM/AUSF in 5G, built for the future. Review collected by and hosted on G2.com.

What do you dislike about 3G/4G/5G HLR/HSS/UDM/AUSF?

What I dislike is that HLR is too rigid for modern networks, HSS can be heavy and complex, and in 5G, UDM and AUSF are very powerful but still tricky to integrate and a bit specialized Review collected by and hosted on G2.com.

What problems is 3G/4G/5G HLR/HSS/UDM/AUSF solving and how is that benefiting you?

HLR solved the problem of managing subscriber info and mobility in 3G, making calls and roaming reliable. HSS improved 4G by handling IP services and authentication, so I can enjoy smooth data and VoLTE. UDM makes 5G flexible and scalable for dynamic subscriptions and slicing, letting me access tailored 5G services. AUSF secures authentication, keeping my identity safe and network access reliable Review collected by and hosted on G2.com.