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METHOD, SYSTEM AND DEVICE FOR CALLED PARTY RECOVERY IN MOBILE SWITCH CENTER POOL

  • US 20090209252A1
  • Filed: 03/10/2009
  • Published: 08/20/2009
  • Est. Priority Date: 12/01/2006
  • Status: Active Grant
First Claim
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1. A method for called party recovery in a Mobile Switch Center (MSC) Pool, applied in a system that comprises a Home Location Register (HLR) and an MSC Pool including multiple Mobile Switch Centers/Visitor Location Registers (MSC/VLRs), comprising:

  • configuring a backup server for each MSC/VLR in the MSC Pool;

    the method further comprising;

    if an MSC/VLR serving a user is down, the user does not initiate a calling service or a location update, and the user is called,sending, by the HLR, a call signaling to the backup server of the MSC/VLR that is down;

    initiating, by the backup server of the MSC/VLR, a paging request to the user and initiating a location update for the user to the HLR;

    registering, by the HLR, user data of the user at the backup server of the MSC/VLR and switching the MSC/VLR serving the user to the backup server of the MSC/VLR.

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