Patent ID: 8391274
Filing Date: 2013-03-05
Classification: H04L,H04W

Abstract:
1. A data call terminating service system for a dynamic IP (internet protocol) of a mobile communication terminal, comprising a call terminating server, wherein the call terminating server comprises: an access request information receiver to receive, through a DNS (domain name server), access request information about a request of access to a HTTP URL (hypertext transfer protocol uniform resource locator) designating a specific mobile communication terminal from an external host, wherein the external host resides outside of a mobile network; a phone number acquisition unit to acquire a phone number of the mobile communication terminal corresponding to the HTTP URL contained in the access request information received by the access request information receiver by making reference to a database; a data call establishment requester to acquire, through HLR (home location register), location information of the mobile communication terminal corresponding to the phone number acquired by the phone number acquisition unit, and to request data call establishment from the mobile communication terminal; an IP assignment information receiver to receive IP assignment information from the mobile communication terminal having established the data call; an IP assignment information transmitter to transmit the IP assignment information received by the IP assignment information receiver to the DNS and the external host; and wherein the HTTP URL designating the mobile communication terminal includes a phone number of the mobile communication terminal.