A visitor location register (VLR) is a database that contains information about the subscribers roaming within a mobile switching center’s (MSC) location area. The primary role of the VLR is to minimize the number of queries that MSCs have to make to the home location register (HLR), whic...
A home location register (HLR) is a database containing pertinent data regarding subscribers authorized to use a global system for mobile communications (GSM) network. Some of the information stored in an HLR includes the international mobile subscriber identity (IMSI) and the mobile station internat...
The MSISDN is stored in the Home Location Register (HLR) and Visitor Location Register (VLR) of the mobile network operator. These registers keep track of the location of the mobile device and ensure that calls and messages are delivered to the correct location. What is the difference ...
The VLR includes preferred information that is received from the HLR network to allow the preferred services for the separate subscriber. The visitor location register can be executed like a separate unit; however, it is usually realized like an essential element of the MSC, before an individual ...
The visitor location register (VLR) is a database that includes temporary data about subscribers that are required by the MSC to service visiting subscribers. The equipment identity register (EIR) is a database that includes data about the identity of cellular equipment that avoids calls from robb...
The SMSC works with the other components of a mobile network to determine if the recipient is online. This includes the home location register (HLR), the visitor location register (VLR) and the mobile switching center (MSC). The SMSC will also work with SMS gateways. SMS gateways allow text...
This is known as the mobile switching centre (MSC). Associated with it is the location registers, namely the home location register (HLR) and the visitor location register (VLR) which track the location of mobiles and enable calls to be routed to them. Additionally there is the Authentication...
The Network and Switching Subsystem is a term for the major components of a 2G core network. The NSS originally helped facilitate connection-oriented voice calls with theHome Location Register (HLR), Authentication Center (AuC),Message Service Center (MSC), and Visitor Location Register (VLR). ...
ICCID number is not transferred in any message from the handset to the network and vice versa, while IMSI and IMEI do. E.g., in a location update message, IMSI and IMEI numbers are sent to the VLR/SGSN, but no sim number or ICCID information. ...
You get access to a small-scale LTE and GSM Core Network for tests You can configure it using the same interface we use for the production equipment and see test configuration settings Multi-IMSI and multi-MSISDN features Can use both SIGTRAN/SS7 and Diameter for signaling so you can run mu...