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HLR vs VLR: Key Differences Explained by Luciferr Satann is a document available to read on EtoBox.
What is HLR vs VLR: Key Differences Explained about?
The Home Location Register (HLR) is a mobile operator database that stores permanent subscriber details like phone number, billing info, and status. The Visitor Location Register (VLR) temporarily stores similar subscriber data for users roaming outside their home network. When sending SMS, the operator checks if the number is in its home network. If not, the VLR requests status and location from the HLR using SS7 protocols to locate the network and deliver the message. The main difference is that the HLR s
- Author
- Luciferr Satann
- Language
- EN