HLR (Home Location Register)
HLR stands for Home Location Register. It is part of the telecommunication infrastructure used in mobile networks to store information on subscribers which supports connection pooling.
Why to use HLR?
Checking the number in the HLR database is a service implemented for more efficient database management. It allows you to check the home GSM network for the selected number and verify if the number is correct and active. Thanks to it, you can easily exclude wrong numbers from the database, and check which network the number belongs to.
Advantages of using HLR
Availability of such services makes it more convenient to buy/create number database, due to the possibility of advance checks on their quality. Additionally, segregation of numbers in a database according to their home GSM network can reduce costs of telephone calls carried out in a Call Center.