GSMA Front Office Executive Interview Questions and Answers

HLR stands for Home Location Register and stores subscriber data, while VLR stands for Visitor Location Register and temporarily stores subscriber data when they are in a different location.

• HLR stores permanent subscriber data, while VLR stores temporary data

• HLR is used for call routing and subscriber authentication, while VLR is used for call setup and location updates

• Examples: When a subscriber travels to a different...read more