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Methods and apparatuses for CDMA2000/GPRS roaming

  • US 8,509,192 B2
  • Filed: 08/16/2012
  • Issued: 08/13/2013
  • Est. Priority Date: 12/03/2003
  • Status: Expired due to Fees
First Claim
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1. A computer program product for enabling communications between a CDMA (Code Division Multiple Access) packet data system and a GPRS (General Packet Radio Service) system, wherein a CDMA 2000 packet data native subscriber using Mobile IPV4 (Internet Protocol version 4) roams from a home CDMA 2000 packet data system to a visited GPRS system comprising a SGSN (Serving GPRS Support Node), comprising:

  • a computer-readable storage medium comprising;

    code for coupling the home system to the visited system to enable communication between the home system and the visited system, wherein the home CDMA 2000 packet data system comprises a ANSI (American National Standards Institute)-41 home location register, an AAA (Authentication, Authorization, and Accounting) entity, and a home agent; and

    code for providing a distinct interface for each of the ANSI-41 home location register, the AAA entity, and the home agent.

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