Patent ID: 7675885
Filing Date: 2010-03-09
Classification: H04W

Abstract:
1. A method in which a CDMA (Code Division Multiple Access) 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 (General Packet Radio Service) system comprising a SGSN (Serving GPRS Support Node), comprising: 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 providing a distinct interface for each of the ANSI-41 home location register, the AAA entity, and the home agent.