Wednesday, May 2, 2012

Home Location Register - HLR

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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