Patent ID: 7010302
Filing Date: 2006-03-07
Classification: H04L,H04W

Abstract:
1. A processing method in a mobile communications network system for routing a packet using an IP address between a user in a mobile communications network system and a user inside or outside the mobile communications network system, the processing method comprising the steps of: generating, at a domain-name server, an IP address of the user in the mobile communications network system including a location address of the user and a user identifier which identifies the user, by acquiring the location address from an apparatus managing a location address of the user; and storing the generated IP address in connection with a domain name of the user in the mobile communications network system, in a database in the domain-name server, the processing method further comprising the steps of: referring to a memory managing access link establishment status of a user in the domain-name server, when an inquiry regarding the user is sent to the domain-name server; commanding an access link termination node in whose area the user is visiting, to establish an access link, if an access link is not established for the user; establishing, at the access link termination node, an access link between the access link termination node and the user; and providing, at the access link termination node, the user with the location address, when the access link is established.