CDMA2000 / GPRS roaming method and apparatus on

摘要

PROBLEM TO BE SOLVED: To provide methods and apparatuses for enabling roaming between a GPRS system and a CDMA2000 packet data system.;SOLUTION: Interworking and interoperability function IIF architectures and corresponding call flows are provided for CDMA2000/GPRS roaming scenarios such as GPRS foreign mode with Mobile IPv4, GPRS foreign mode with Simple IPv4 or IPv6, CDMA2000 packet data foreign mode with Mobile IPv4, and CDMA2000 packet data foreign mode with Simple IPv4 or IPv6.;COPYRIGHT: (C)2011,JPO&INPIT