Mobile Station Roaming Number
The Mobile Station Roaming Number Mobile Subscriber Roaming Number or ( MSRN ) is a number that identifies a mobile station ( MS).
Properties
For each MS a MSRN in the Home Location Register (HLR ) and a copy of it in the Visitor Location Register (VLR ) is stored. The MSRN has the following four parts: Visitor Country Code ( CC ), National Destination Code Visitor ( VNDC ), Visitor Mobile Switching Center ( VMSC ) and Visitor Subscriber Number ( VSN ).
The MSRN is maintained during a call for those time spent by the MS in the effective range of this VLRs.
This finding of the participant is enabled when roaming in foreign networks.
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