A CDMA INTELLIGENT NETWORK SYSTEM AND ITS METHOD, DEVICE FOR REALIZING INTERNATIONAL ROAMING SERVICE

摘要

A CDMA intelligent network system and its method for realizing international roaming service. The CDMA intelligent network system includes: service control device and pass office or international pass office of the home network, pass office or international pass office of the visited network, it also includes international roaming service switching device, wherein the communication between the said service control device and the service switching device is formed, and the voice channels between the said service switching device, pass office or international pass office of the home network and pass office or international pass office of the visited network are formed. A international roaming service switching device interacts with the service control device of the home network of the said international roaming user by messages, therefore to establish the service route of the international user in CDMA intelligent network.