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METHOD, ROAMING PROCESSING DEVICE AND COMMUNICATION SYSTEM FOR IMPLEMENTING INTERNATIONAL ROAMING

  • US 20110007726A1
  • Filed: 03/11/2009
  • Published: 01/13/2011
  • Est. Priority Date: 03/11/2008
  • Status: Active Grant
First Claim
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1. A roaming processing device, comprising:

  • a signaling transceiver unit adapted to transmit and receive a signaling message;

    a storage unit adapted to store a mapping relationship between a first operator International Mobile Subscriber Identifier, IMSI, and a second operator IMSI, both of which are configured for an international roaming subscriber of a first operator; and

    a signaling processing unit adapted to receive a first signaling message carrying the first operator IMSI from a network of the first operator through the signaling transceiver unit, change the first operator IMSI carried in the first signaling message to the second operator IMSI according to the mapping relationship to generate a second signaling message, and return the second signaling message to the signaling transceiver unit; and

    receive a third signaling message carrying the second operator IMSI from a third operator network where the international roaming subscriber of the first operator roams through the signaling transceiver unit, change the second operator IMSI carried in the third signaling message to the first operator IMSI according to the mapping relationship to generate a fourth signaling message, and return the fourth signaling message to the signaling transceiver unit.

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