What is Home Location Register - HLR
A HLR is a database of user
(subscriber) information, i.e., customer profiles, used in mobile (cellular)
networks. It is a key component of mobile networks such as GSM, TDMA, and CDMA
networks. A HLR contains user information such as account information, account
status, user preferences, features subscribed to by the user, user’s current
location, etc. The data stored in HLRs for the different types of networks is
similar but does differ in some details.
HLRs are used by the Mobile
Switching Centers (MSCs) to originate and deliver arriving mobile calls.
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