发明名称 SYSTEM AND METHOD FOR CONNECTING COMMUNICATION IN INTERNATIONAL ROAMING SERVICE
摘要 PURPOSE: A system and a method for connecting a call in an international roaming service are provided to easily grasp time when it is possible to have a call with a receiver without additionally searching any other information. CONSTITUTION: A home location register(200) receives routing information about a receiving terminal device from a receiving communication network in response to an originating/receiving call request based on international roaming. A time information guide server(400) transmits possible call time information corresponding to the receiving terminal device to an originating terminal device in response to a request for a possible originating/receiving time based on the routing information. A current location of the receiving terminal device is determined based on the routing information.
申请公布号 KR101219803(B1) 申请公布日期 2013.01.09
申请号 KR20080086982 申请日期 2008.09.03
申请人 发明人
分类号 H04W4/00;H04W4/16 主分类号 H04W4/00
代理机构 代理人
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