发明名称 |
METHOD FOR PROCESSING CALL TO UNREGISTERED USER IN WLAN-GPRS NETWORK USING SIP |
摘要 |
<p>A method of processing a call to an unregistered user in a Wireless Local Area Network (WLAN)-General Packet Radio Service (GPRS) using a Session Initiation Protocol (SIP) is provided. The method of connecting a call to a mobile node present in a GPRS area includes registering location information of the mobile node to be invited in a Home Subscriber Server (HSS); when the mobile node uses a Mobile Internet Protocol (MIP), allocating an Internet Protocol (IP) address to the mobile node and authenticating the mobile node through MIP registration and setting a SIP session; and when the mobile node uses a simple IP, allocating an IP address to the mobile node and authenticating the mobile node through a Dynamic Host Configuration Protocol (DHCP) procedure and setting a SIP session.</p> |
申请公布号 |
KR20060074037(A) |
申请公布日期 |
2006.07.03 |
申请号 |
KR20040112647 |
申请日期 |
2004.12.27 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE;KT CORPORATION |
发明人 |
KIM, SOON CHOUL;LEE, HYUN WOO;RYU, WON;KIM, DONG WON |
分类号 |
H04L12/28;H04B7/26;H04W8/26;H04W12/06;H04W36/00;H04W60/00;H04W80/00;H04W88/06 |
主分类号 |
H04L12/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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